diff --git a/static/js/mainMenu.js b/static/js/mainMenu.js
index 457f168d..5ccd95e2 100644
--- a/static/js/mainMenu.js
+++ b/static/js/mainMenu.js
@@ -1912,7 +1912,7 @@ pandora.ui.mainMenu = function() {
             ] },
             {},
             { id: 'embed', title: Ox._('Embed...') },
-            { id: 'share', title: Ox._('Share...') }
+            { id: 'share', title: Ox._('Share...'), disabled: isGuest }
         ]}
     }