diff --git a/platform/safari/vapi-background.js b/platform/safari/vapi-background.js
index 6e63afcc3..510c22391 100644
--- a/platform/safari/vapi-background.js
+++ b/platform/safari/vapi-background.js
@@ -105,7 +105,7 @@
         size: storageQuota,
         storeName: "keyvaluepairs"
     });
-    
+
     vAPI.storage = {
         QUOTA_BYTES: storageQuota, // copied from Info.plist
 
@@ -180,15 +180,16 @@
                 }
                 toSatisfy++;
             }
+            var callbackCaller = function() {
+                if (--toSatisfy === 0) {
+                    callback && callback();
+                }
+            };
             for(var key in details) {
                 if(!details.hasOwnProperty(key)) {
                     continue;
                 }
-                localforage.setItem(key, JSON.stringify(details[key]), function() {
-                    if(--toSatisfy === 0) {
-                        callback && callback();
-                    }
-                });
+                localforage.setItem(key, JSON.stringify(details[key]), callbackCaller);
             }
         },
 
@@ -1087,13 +1088,13 @@
     /******************************************************************************/
     
     function initStorageLib() {
-       /*!
+        /*!
     localForage -- Offline Storage, Improved
-    Version 1.2.2
+    Version 1.2.3
     https://mozilla.github.io/localForage
     (c) 2013-2015 Mozilla, Apache License 2.0
 */
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