diff --git a/app/controllers/admin/blocked_ips_controller.rb b/app/controllers/admin/blocked_ips_controller.rb
index dd9e67e39f..cc9ca6313d 100644
--- a/app/controllers/admin/blocked_ips_controller.rb
+++ b/app/controllers/admin/blocked_ips_controller.rb
@@ -4,7 +4,7 @@ module Admin
   class BlockedIpsController < AdminController
     # This page allows editing of blocked ips via params
     # params[:add_okay] and params[:add_bad]
-    # GETting this page with params[:report] will show info about a chosen IP
+    # Using params[:report] will show info about a chosen IP
     def edit
       @ip = params[:report] if validate_ip!(params[:report])
       @blocked_ips = sort_by_ip(IpStats.read_blocked_ips)
@@ -14,6 +14,7 @@ def edit
 
     # Render the page after an update
     def update
+      strip_params!
       process_blocked_ips_commands
       @blocked_ips = sort_by_ip(IpStats.read_blocked_ips)
       @okay_ips = sort_by_ip(IpStats.read_okay_ips)
@@ -23,6 +24,12 @@ def update
 
     private
 
+    def strip_params!
+      [:add_bad, :remove_bad, :add_okay, :remove_okay].each do |param|
+        params[param] = params[param].strip if params[param]
+      end
+    end
+
     def sort_by_ip(ips)
       ips.sort_by do |ip|
         ip.to_s.split(".").map { |n| n.to_i + 1000 }.map(&:to_s).join(" ")
diff --git a/test/controllers/admin/blocked_ips_controller_test.rb b/test/controllers/admin/blocked_ips_controller_test.rb
index 85bae39ccf..3e91205c9c 100644
--- a/test/controllers/admin/blocked_ips_controller_test.rb
+++ b/test/controllers/admin/blocked_ips_controller_test.rb
@@ -43,6 +43,15 @@ def test_blocked_ips
       assert(time < File.mtime(MO.blocked_ips_file))
       IpStats.reset!
       assert_false(IpStats.blocked?(new_ip))
+
+      time = 1.minute.ago
+      File.utime(time.to_time, time.to_time, MO.blocked_ips_file)
+      patch(:update, params: { add_bad: " #{new_ip} " })
+      assert_no_flash
+      assert(time < File.mtime(MO.blocked_ips_file))
+      IpStats.reset!
+      assert_true(IpStats.blocked?(new_ip),
+                  "It should ignore leading & trailing spaces in ip addr")
     end
   end
 end