diff --git a/public/app/features/inspector/InspectDataTab.tsx b/public/app/features/inspector/InspectDataTab.tsx
index 01efe6966c1..e3bb8328fe8 100644
--- a/public/app/features/inspector/InspectDataTab.tsx
+++ b/public/app/features/inspector/InspectDataTab.tsx
@@ -131,11 +131,11 @@ export class InspectDataTab extends PureComponent<Props, State> {
     });
   };
 
-  toggleDownloadForExcel() {
+  toggleDownloadForExcel = () => {
     this.setState((prevState) => ({
       downloadForExcel: !prevState.downloadForExcel,
     }));
-  }
+  };
 
   getProcessedData(): DataFrame[] {
     const { options, panel } = this.props;