diff --git a/meshroom/ui/qml/GraphEditor/GraphEditor.qml b/meshroom/ui/qml/GraphEditor/GraphEditor.qml
index 633fb93d..20b240e6 100755
--- a/meshroom/ui/qml/GraphEditor/GraphEditor.qml
+++ b/meshroom/ui/qml/GraphEditor/GraphEditor.qml
@@ -327,7 +327,19 @@ Item {
                 MenuSeparator {}
                 MenuItem {
                     text: "Delete Data" + (deleteFollowingButton.hovered ? " From Here" : "" ) + "..."
-                    enabled: nodeMenu.currentNode ? !nodeMenu.currentNode.locked : false
+                    enabled: {
+                        if(!nodeMenu.currentNode)
+                            return false
+                        // Check if the current node is locked (needed because it does not belong to its own duplicates list)
+                        if(nodeMenu.currentNode.locked)
+                            return false
+                        // Check if at least one of the duplicate nodes is locked
+                        for(let i = 0; i < nodeMenu.currentNode.duplicates.count; ++i) {
+                            if(nodeMenu.currentNode.duplicates.at(i).locked)
+                                return false
+                        }
+                        return true
+                    }
 
                     function showConfirmationDialog(deleteFollowing) {
                         var obj = deleteDataDialog.createObject(root,
@@ -360,7 +372,7 @@ Item {
                             modal: false
                             header.visible: false
 
-                            text: "Delete Data computed by '" + node.label + (deleteFollowing ?  "' and following Nodes?" : "'?")
+                            text: "Delete Data of '" + node.label + (deleteFollowing ?  "' and following Nodes?" : "'?")
                             helperText: "Warning: This operation can not be undone."
                             standardButtons: Dialog.Yes | Dialog.Cancel