diff --git a/src/stores/widgets/StopGapWidget.ts b/src/stores/widgets/StopGapWidget.ts
index 998dd2afb3..41b040b8c6 100644
--- a/src/stores/widgets/StopGapWidget.ts
+++ b/src/stores/widgets/StopGapWidget.ts
@@ -153,7 +153,7 @@ export class StopGapWidget extends EventEmitter {
         return this.runUrlTemplate({asPopout: true});
     }
 
-    private runUrlTemplate(opts: {asPopout: boolean} = {asPopout: false}): string {
+    private runUrlTemplate(opts = {asPopout: false}): string {
         const templated = this.mockWidget.getCompleteUrl({
             currentRoomId: RoomViewStore.getRoomId(),
             currentUserId: MatrixClientPeg.get().getUserId(),