diff --git a/packages/landing/src/components/debug.tsx b/packages/landing/src/components/debug.tsx
index 127350f7a..7b7a561d9 100644
--- a/packages/landing/src/components/debug.tsx
+++ b/packages/landing/src/components/debug.tsx
@@ -432,7 +432,7 @@ export class Debug extends Component<{ map: maplibregl.Map }, DebugState> {
       label: 'Layer',
       onChange: this.selectRasterSource,
       value: selectedSource,
-      options: sourceIds,
+      options: [...sourceIds, 'off'],
     });
   }