diff --git a/js/functions.js b/js/functions.js
index 77bba26d53..602cf218b0 100644
--- a/js/functions.js
+++ b/js/functions.js
@@ -3790,7 +3790,7 @@ AJAX.registerOnload('functions.js', function () {
             cache: false,
             type: 'POST',
             data: {
-                favorite_tables: (isStorageSupported('localStorage') && typeof window.localStorage['favorite_tables'] != 'undefined')
+                favorite_tables: (isStorageSupported('localStorage') && typeof window.localStorage['favorite_tables'] !== 'undefined')
                     ? window.localStorage['favorite_tables']
                     : ''
             },
diff --git a/js/navigation.js b/js/navigation.js
index f20d591391..4e53fab083 100644
--- a/js/navigation.js
+++ b/js/navigation.js
@@ -487,7 +487,7 @@ $(function () {
             cache: false,
             type: 'POST',
             data: {
-                favorite_tables: (isStorageSupported('localStorage') && typeof window.localStorage.favorite_tables != 'undefined')
+                favorite_tables: (isStorageSupported('localStorage') && typeof window.localStorage.favorite_tables !== 'undefined')
                     ? window.localStorage.favorite_tables
                     : ''
             },