1 files changed, 3 insertions, 2 deletions
diff --git a/src/client/util/DragManager.ts b/src/client/util/DragManager.ts
index 2a7859f09..e2e4c0fe4 100644
--- a/src/client/util/DragManager.ts
+++ b/src/client/util/DragManager.ts
@@ -280,11 +280,12 @@ export namespace DragManager {
     export function StartButtonDrag(eles: HTMLElement[], script: string, title: string, vars: { [name: string]: FieldType }, params: string[], initialize: (button: Doc) => void, downX: number, downY: number, options?: DragOptions) {
         const finishDrag = (e: DragCompleteEvent) => {
             const bd = Docs.Create.ButtonDocument({ toolTip: title, z: 1, _width: 150, _height: 50, title, onClick: ScriptField.MakeScript(script) });
+            const bdData = bd[DocData];
             params.forEach(p => {
-                Object.keys(vars).indexOf(p) !== -1 && (bd[DocData][p] = new PrefetchProxy(vars[p] as Doc));
+                Object.keys(vars).indexOf(p) !== -1 && (bdData[p] = new PrefetchProxy(vars[p] as Doc));
             }); // copy all "captured" arguments into document parameterfields
             initialize?.(bd);
-            bd[DocData]['onClick-paramFieldKeys'] = new List<string>(params);
+            bd.$onClick_paramFieldKeys = new List<string>(params);
             e.docDragData && (e.docDragData.droppedDocuments = [bd]);
             return e;
         };