Merge branch 'master' into schema-mehek

1 files changed, 6 insertions, 3 deletions

diff --git a/src/client/views/collections/CollectionDockingView.tsx b/src/client/views/collections/CollectionDockingView.tsx
index ffc004df6..1ead80bd0 100644
--- a/src/client/views/collections/CollectionDockingView.tsx
+++ b/src/client/views/collections/CollectionDockingView.tsx
@@ -156,10 +156,13 @@ export class CollectionDockingView extends CollectionSubView() {
         }
         const tab = Array.from(instance.tabMap.keys()).find(tab => tab.contentItem.config.props.panelName === panelName);
         if (tab) {
-            tab.header.parent.addChild(newConfig, undefined);
             const j = tab.header.parent.contentItems.indexOf(tab.contentItem);
-            !addToSplit && j !== -1 && tab.header.parent.contentItems[j].remove();
-            return instance.layoutChanged();
+            if (newConfig.props.documentId !== tab.header.parent.contentItems[j].config.props.documentId) {
+                tab.header.parent.addChild(newConfig, undefined);
+                !addToSplit && j !== -1 && tab.header.parent.contentItems[j].remove();
+                return instance.layoutChanged();
+            }
+            return false;
         }
         return CollectionDockingView.AddSplit(document, panelName, stack, panelName);
     }