diff --git a/src/theme/book.js b/src/theme/book.js
index 8351bc7f..56dc7425 100644
--- a/src/theme/book.js
+++ b/src/theme/book.js
@@ -336,17 +336,17 @@ function sidebarToggle() {
     var html = $("html");
     if ( html.hasClass("sidebar-hidden") ) {
         html.removeClass("sidebar-hidden").addClass("sidebar-visible");
-        store.set('sidebar', 'visible');
+        store.set('mdbook-sidebar', 'visible');
     } else if ( html.hasClass("sidebar-visible") ) {
         html.removeClass("sidebar-visible").addClass("sidebar-hidden");
-        store.set('sidebar', 'hidden');
+        store.set('mdbook-sidebar', 'hidden');
     } else {
         if($("#sidebar").position().left === 0){
             html.addClass("sidebar-hidden");
-            store.set('sidebar', 'hidden');
+            store.set('mdbook-sidebar', 'hidden');
         } else {
             html.addClass("sidebar-visible");
-            store.set('sidebar', 'visible');
+            store.set('mdbook-sidebar', 'visible');
         }
     }
 }
diff --git a/src/theme/index.hbs b/src/theme/index.hbs
index f4803886..e115ee64 100644
--- a/src/theme/index.hbs
+++ b/src/theme/index.hbs
@@ -67,7 +67,7 @@
 
         <!-- Hide / unhide sidebar before it is displayed -->
         <script type="text/javascript">
-            var sidebar = store.get('sidebar');
+            var sidebar = store.get('mdbook-sidebar');
             if (sidebar === "hidden") { $("html").addClass("sidebar-hidden") }
             else if (sidebar === "visible") { $("html").addClass("sidebar-visible") }
         </script>