diff --git a/main.js b/main.js
index 739cf056cd..8f0dfd2f3e 100644
--- a/main.js
+++ b/main.js
@@ -44,6 +44,9 @@ requirejs.config({
         },
         "moment-duration-format": {
             "deps": [ "moment" ]
+        },
+        "screenfull": {
+            "exports": "screenfull"
         }
     }
 });
diff --git a/platform/commonUI/browse/src/windowing/FullscreenAction.js b/platform/commonUI/browse/src/windowing/FullscreenAction.js
index f898dbbe6e..e9fcf9df76 100644
--- a/platform/commonUI/browse/src/windowing/FullscreenAction.js
+++ b/platform/commonUI/browse/src/windowing/FullscreenAction.js
@@ -25,7 +25,7 @@
  */
 define(
     ["screenfull"],
-    function () {
+    function (screenfull) {
 
         var ENTER_FULLSCREEN = "Enter full screen mode",
             EXIT_FULLSCREEN = "Exit full screen mode";
diff --git a/test-main.js b/test-main.js
index 13f1bf367d..caa306c1b6 100644
--- a/test-main.js
+++ b/test-main.js
@@ -65,6 +65,9 @@ requirejs.config({
         },
         "moment-duration-format": {
             "deps": [ "moment" ]
+        },
+        "screenfull": {
+            "exports": "screenfull"
         }
     },