diff --git a/README.md b/README.md
index 4a6c77b7..24a0c231 100644
--- a/README.md
+++ b/README.md
@@ -28,12 +28,12 @@ and the iOS Contents.json file will look like this, so you'll have generated fil
 {
   "images": [
     {
-      "idiom": "universal",
+      "idiom": "iphone",
       "scale": "1x",
       "fileName": "test.png"
     },
     {
-      "idiom": "universal",
+      "idiom": "iphone",
       "scale": "2x",
       "fileName": "test@2x.png"
     },
diff --git a/main.js b/main.js
index 23150478..365d6f51 100644
--- a/main.js
+++ b/main.js
@@ -399,8 +399,8 @@
     }
 
     var iosDensities = [
-        {suffix: "", scale: 1, idiom: "universal", iosScale: "1x" },
-        {suffix: "@2x", scale: 2.0, idiom: "universal", iosScale: "2x" },
+        {suffix: "", scale: 1, idiom: "iphone", iosScale: "1x" },
+        {suffix: "@2x", scale: 2.0, idiom: "iphone", iosScale: "2x" },
         {suffix: "@2x", scale: 2.0, idiom: "ipad", iosScale: "1x" },
         {suffix: "@2x~ipad", scale: 4.0, idiom: "ipad", iosScale: "2x" }
     ];