diff --git a/notebook/static/tree/js/main.js b/notebook/static/tree/js/main.js
index 5dcf8d806..27e08d119 100644
--- a/notebook/static/tree/js/main.js
+++ b/notebook/static/tree/js/main.js
@@ -209,7 +209,7 @@ requirejs([
     
     // load tab if url hash
     if (window.location.hash) {
-        $("#tabs").find("a[href=" + window.location.hash + "]").click();
+        $("#tabs").find("a[href='" + window.location.hash + "']").click();
     }
     
     shutdownbutton.activate();