1 files changed, 3 insertions, 1 deletions
diff --git a/src/client/view/item_info.js b/src/client/view/item_info.js
index 80f3119c..fb3594e8 100644
--- a/src/client/view/item_info.js
+++ b/src/client/view/item_info.js
@@ -272,7 +272,9 @@ function show(_graph, new_item, visible_attributes)
 
 function hide() {
     commit();
-    diffBusUnsubscribe();
+    if (diffBusUnsubscribe) {
+        diffBusUnsubscribe();
+    }
     item = null;
     info_container.hide();
 }