diff --git a/Bonsai.Editor/GraphView/WorkflowGraphView.cs b/Bonsai.Editor/GraphView/WorkflowGraphView.cs
index 9542ede7d..d88206186 100644
--- a/Bonsai.Editor/GraphView/WorkflowGraphView.cs
+++ b/Bonsai.Editor/GraphView/WorkflowGraphView.cs
@@ -1410,7 +1410,7 @@ private ToolStripMenuItem CreateVisualizerMenuItem(string typeName, GraphNode se
                         {
                             var dialogLauncher = visualizerDialogs.Add(inspectBuilder, Workflow, dialogSettings);
                             var ownerWindow = uiService.GetDialogOwnerWindow();
-                            visualizerDialog.Show(ownerWindow, serviceProvider);
+                            dialogLauncher.Show(ownerWindow, serviceProvider);
                         }
                     }
                     else