diff --git a/lib/add.js b/lib/add.js
index de71d04..69b080a 100644
--- a/lib/add.js
+++ b/lib/add.js
@@ -1,10 +1,10 @@
 'use strict';
-var path = require('path');
 var when = require('when');
 var u    = {
-  files   : require('../util/files'),
-  run     : require('../util/run'),
-  switches: require('../util/switches'),
+  files                 : require('../util/files'),
+  replaceNativeSeparator: require('../util/replaceNativeSeparator'),
+  run                   : require('../util/run'),
+  switches              : require('../util/switches')
 };
 
 /**
@@ -36,7 +36,7 @@ module.exports = function (archive, files, options) {
       var entries = [];
       data.split('\n').forEach(function (line) {
         if (line.substr(0, 1) === '+') {
-          entries.push(line.substr(2, line.length).replace(path.sep, '/'));
+          entries.push(u.replaceNativeSeparator(line.substr(2, line.length)));
         }
       });
       return progress(entries);
diff --git a/lib/extract.js b/lib/extract.js
index 08914df..7f720ee 100644
--- a/lib/extract.js
+++ b/lib/extract.js
@@ -1,9 +1,9 @@
 'use strict';
-var path = require('path');
 var when = require('when');
 var u    = {
-  run     : require('../util/run'),
-  switches: require('../util/switches')
+  replaceNativeSeparator: require('../util/replaceNativeSeparator'),
+  run                   : require('../util/run'),
+  switches              : require('../util/switches')
 };
 
 /**
@@ -32,7 +32,7 @@ module.exports = function (archive, dest, options) {
       var entries = [];
       data.split('\n').forEach(function (line) {
         if (line.substr(0, 1) === '-') {
-          entries.push(line.substr(2, line.length).replace(path.sep, '/'));
+          entries.push(u.replaceNativeSeparator(line.substr(2, line.length)));
         }
       });
       return progress(entries);
diff --git a/lib/extractFull.js b/lib/extractFull.js
index c6d00a9..a0b74fb 100644
--- a/lib/extractFull.js
+++ b/lib/extractFull.js
@@ -1,9 +1,9 @@
 'use strict';
-var path = require('path');
 var when = require('when');
 var u    = {
-  run     : require('../util/run'),
-  switches: require('../util/switches')
+  replaceNativeSeparator: require('../util/replaceNativeSeparator'),
+  run                   : require('../util/run'),
+  switches              : require('../util/switches')
 };
 
 /**
@@ -32,7 +32,7 @@ module.exports = function (archive, dest, options) {
       var entries = [];
       data.split('\n').forEach(function (line) {
         if (line.substr(0, 1) === '-') {
-          entries.push(line.substr(2, line.length).replace(path.sep, '/'));
+          entries.push(u.replaceNativeSeparator(line.substr(2, line.length)));
         }
       });
       return progress(entries);
diff --git a/lib/list.js b/lib/list.js
index 55339a1..6dd65a1 100644
--- a/lib/list.js
+++ b/lib/list.js
@@ -2,8 +2,9 @@
 var path = require('path');
 var when = require('when');
 var u    = {
-  run     : require('../util/run'),
-  switches: require('../util/switches')
+  replaceNativeSeparator: require('../util/replaceNativeSeparator'),
+  run                   : require('../util/run'),
+  switches              : require('../util/switches')
 };
 
 /**
@@ -65,7 +66,7 @@ module.exports = function (archive, options) {
               date: new Date(res[1]),
               attr: res[2],
               size: parseInt(res[3], 10),
-              name: res[5].replace(path.sep, '/')
+              name: u.replaceNativeSeparator(res[5])
             };
 
             entries.push(e);
diff --git a/lib/test.js b/lib/test.js
index 014a7cd..4079bf1 100644
--- a/lib/test.js
+++ b/lib/test.js
@@ -1,9 +1,9 @@
 'use strict';
-var path = require('path');
 var when = require('when');
 var u    = {
-  run     : require('../util/run'),
-  switches: require('../util/switches')
+  replaceNativeSeparator: require('../util/replaceNativeSeparator'),
+  run                   : require('../util/run'),
+  switches              : require('../util/switches')
 };
 
 /**
@@ -31,7 +31,7 @@ module.exports = function (archive, options) {
       var entries = [];
       data.split('\n').forEach(function (line) {
         if (line.substr(0, 1) === 'T') {
-          entries.push(line.substr(2, line.length).replace(path.sep, '/'));
+          entries.push(u.replaceNativeSeparator(line.substr(2, line.length)));
         }
       });
       return progress(entries);
diff --git a/lib/update.js b/lib/update.js
index 80402cf..9b83b9a 100644
--- a/lib/update.js
+++ b/lib/update.js
@@ -1,9 +1,9 @@
 'use strict';
-var path = require('path');
 var when = require('when');
 var u = {
-  run: require('../util/run'),
-  switches : require('../util/switches')
+  replaceNativeSeparator: require('../util/replaceNativeSeparator'),
+  run                   : require('../util/run'),
+  switches              : require('../util/switches')
 };
 
 /**
@@ -32,7 +32,7 @@ module.exports = function (archive, files, options) {
       var entries = [];
       data.split('\n').forEach(function (line) {
         if (line.substr(0, 1) === 'U') {
-          entries.push(line.substr(2, line.length).replace(path.sep, '/'));
+          entries.push(u.replaceNativeSeparator(line.substr(2, line.length)));
         }
       });
       return progress(entries);
diff --git a/package.json b/package.json
index f3b18dc..3576158 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,8 @@
         "Dannii Willis <curiousdannii@gmail.com>",
         "redx25 <red.mage25@gmail.com>",
         "l. stubbs <technoexpressnet@gmail.com>",
-        "František Gič <frantisek.gic@gmail.com>"
+        "František Gič <frantisek.gic@gmail.com>",
+        "Oskar Larsson Högfeldt <g@oskar-lh.name>"
     ],
     "license": "ISC",
     "bugs": {
diff --git a/test/lib/list.test.js b/test/lib/list.test.js
index ec53703..e3d9dd7 100644
--- a/test/lib/list.test.js
+++ b/test/lib/list.test.js
@@ -3,6 +3,28 @@
 var expect = require('chai').expect;
 var list   = require('../../lib/list');
 
+function testListProgress (file, done) {
+  var error;
+  list('test/zip.7z')
+  .progress(function (entries) {
+    try {
+      expect(entries.length).to.be.at.least(1);
+      entries.forEach(function (entry) {
+        expect(entry.date).to.be.an.instanceof(Date);
+        expect(entry.attr.length).to.eql(5);
+        expect(entry.name).to.be.a('string');
+        expect(entry.name).to.not.contain('\\');
+      });
+    } catch(e) {
+      error = e;
+    }
+  })
+  .then(function () {
+    done(error)
+  })
+  .done(next);
+}
+
 describe('Method: `Zip.list`', function () {
 
   it('should return an error on 7z error', function (done) {
@@ -25,15 +47,29 @@ describe('Method: `Zip.list`', function () {
     });
   });
 
-  it('should return valid entries on progress', function (done) {
-    list('test/zip.zip')
-    .progress(function (entries) {
-      expect(entries.length).to.be.at.least(1);
-      expect(entries[0].date).to.be.an.instanceof(Date);
-      expect(entries[0].attr.length).to.eql(5);
-      expect(entries[0].name).to.be.a('string');
-      expect(entries[0].name).to.not.contain('\\');
-      done();
+  ['zip.zip', 'zip.7z'].forEach(function (file) {
+    it('should return valid entries on progress (' + file + ')', function (done) {
+      var expectFailure;
+      list('test/' + file)
+      .progress(function (entries) {
+        try {
+          expect(entries.length).to.be.at.least(1);
+          entries.forEach(function (entry) {
+            expect(entry.date).to.be.an.instanceof(Date);
+            expect(entry.attr.length).to.eql(5);
+            expect(entry.name).to.be.a('string');
+            expect(entry.name).to.not.contain('\\');
+          });
+        } catch(e) {
+          expectFailure = e;
+        }
+      })
+      .then(function () {
+        done(expectFailure);
+      })
+      .catch(function (listError) {
+        done(listError || expectFailure);
+      });
     });
   });
 
diff --git a/test/util/path.test.js b/test/util/path.test.js
index 2759362..5e8cddc 100644
--- a/test/util/path.test.js
+++ b/test/util/path.test.js
@@ -6,7 +6,7 @@ var path = require('../../util/path');
 
 describe('Utility: `path`', function () {
 
-  it('should return deflaut flags with no args', function () {   
+  it('should return default flags with no args', function () {   
     var _7zcmd = path();
     var pathInSystem = exec('which ' + _7zcmd.fullpath).toString();
   });
diff --git a/test/util/replaceNativeSeparator.test.js b/test/util/replaceNativeSeparator.test.js
new file mode 100644
index 0000000..2649d57
--- /dev/null
+++ b/test/util/replaceNativeSeparator.test.js
@@ -0,0 +1,28 @@
+/*global describe, it */
+'use strict';
+var expect = require('chai').expect;
+var replaceNativeSeparator = require('../../util/replaceNativeSeparator');
+var sep    = require('path').sep;
+
+describe('Utility: `replaceNativeSeparator`', function () {
+
+  it('should replace the native directory separator (' + sep + ')' +
+    ' with / and allows / in input',
+  function (done) {
+    [
+      ['abc',                                        'abc'],
+      ['å/Ö',                                        'å/Ö'],
+      ['3' + sep + 'π' + sep + '1' + sep + '4.txt',  '3/π/1/4.txt'],
+      ['abc/def' + sep + 'g',                        'abc/def/g'],
+      ['directory' + sep + 'file',                   'directory/file'],
+      ['a' + sep + 'b' + sep + 'c' + sep + 'd.txt',  'a/b/c/d.txt'],
+    ]
+    .forEach(function (inputAndExpectedOutput) {
+      var input = inputAndExpectedOutput[0];
+      var expectedOutput = inputAndExpectedOutput[1];
+      expect(replaceNativeSeparator(input)).to.eql(expectedOutput); 
+    });
+    done();
+  });
+
+});
diff --git a/test/util/switches.test.js b/test/util/switches.test.js
index 0a5456e..f1669a6 100644
--- a/test/util/switches.test.js
+++ b/test/util/switches.test.js
@@ -5,7 +5,7 @@ var switches = require('../../util/switches');
 
 describe('Utility: `switches`', function () {
 
-  it('should return deflaut flags with no args', function () {
+  it('should return default flags with no args', function () {
     expect(switches({})).to.contain('-ssc');
     expect(switches({})).to.contain('-y');
   });
diff --git a/test/zip spaces test.7z b/test/zip spaces test.7z
index c0db972..3fc8f75 100644
Binary files a/test/zip spaces test.7z and b/test/zip spaces test.7z differ
diff --git a/test/zip.7z b/test/zip.7z
index c0db972..3fc8f75 100644
Binary files a/test/zip.7z and b/test/zip.7z differ
diff --git a/test/zip/folder/another-folder/deep file.txt b/test/zip/folder/another-folder/deep file.txt
new file mode 100644
index 0000000..6b584e8
--- /dev/null
+++ b/test/zip/folder/another-folder/deep file.txt	
@@ -0,0 +1 @@
+content
\ No newline at end of file
diff --git a/util/replaceNativeSeparator.js b/util/replaceNativeSeparator.js
new file mode 100644
index 0000000..b92ec0e
--- /dev/null
+++ b/util/replaceNativeSeparator.js
@@ -0,0 +1,14 @@
+'use strict';
+var nativeSeparator = require('path').sep;
+
+/**
+ * @param {string} path A path with the native directory separator.
+ * @return {string} A path with / for directory separator.
+ */
+module.exports = function (path) {
+  var result = path, next;
+  while ((next = result.replace(nativeSeparator, '/')) !== result) {
+    result = next;
+  }
+  return result;
+};
diff --git a/util/run.js b/util/run.js
index c8700f8..24d98f1 100644
--- a/util/run.js
+++ b/util/run.js
@@ -34,8 +34,8 @@ module.exports = function (command, switches) {
     var commands       = command.match(regexpCommands);
     if (commands) {
       commands.forEach(function (c) {
-        c = c.replace(/\//, path.sep);
-        c = c.replace(/\\/, path.sep);
+        c = c.replace(/\//g, path.sep);
+        c = c.replace(/\\/g, path.sep);
         c = path.normalize(c);
         args.push(c);
       });
@@ -48,8 +48,8 @@ module.exports = function (command, switches) {
     if (output) {
       args.pop();
       var o = output[0];
-      o = o.replace(/\//, path.sep);
-      o = o.replace(/\\/, path.sep);
+      o = o.replace(/\//g, path.sep);
+      o = o.replace(/\\/g, path.sep);
       o = o.replace(/"/g, '');
       o = path.normalize(o);
       args.push(o);