diff --git a/spiffworkflow-frontend/src/components/ReactDiagramEditor.tsx b/spiffworkflow-frontend/src/components/ReactDiagramEditor.tsx
index dd6b301c6..7f23199bf 100644
--- a/spiffworkflow-frontend/src/components/ReactDiagramEditor.tsx
+++ b/spiffworkflow-frontend/src/components/ReactDiagramEditor.tsx
@@ -440,7 +440,7 @@ export default function ReactDiagramEditor({
           'Not zooming the viewport for ',
           (modeler as any).constructor.name,
           modeler,
-          modeler.constructor
+          (modeler as any).constructor.constructor
         );
       }