diff --git a/src/modules/popup.js b/src/modules/popup.js
index fed927696..372aa3b77 100755
--- a/src/modules/popup.js
+++ b/src/modules/popup.js
@@ -265,7 +265,7 @@ $.fn.popup = function(parameters) {
         },
         restore: {
             conditions: function () {
-                if (typeof module.cache === undefined) {
+                if (module.cache === undefined) {
                     module.error(error.cache);
                     return false;
                 }
diff --git a/src/modules/transition.js b/src/modules/transition.js
index 4b0e07c7f..e1a2f1d89 100755
--- a/src/modules/transition.js
+++ b/src/modules/transition.js
@@ -261,7 +261,7 @@ $.fn.transition = function() {
 
         restore: {
           conditions: function() {
-            if(typeof module.cache === undefined) {
+            if(module.cache === undefined) {
               module.error(error.cache);
               return false;
             }