diff --git a/src/app/App.tsx b/src/app/App.tsx
index 5dea486f..94673398 100644
--- a/src/app/App.tsx
+++ b/src/app/App.tsx
@@ -844,6 +844,12 @@ export function App({ store, initialStatusMessage }: AppProps) {
     setAmbientLightIntensityDraft(String(editorState.document.world.ambientLight.intensity));
   }, [editorState.document.world.ambientLight.intensity]);
 
+  useEffect(() => {
+    if (editorState.document.world.background.mode === "image") {
+      setBackgroundEnvironmentIntensityDraft(String(editorState.document.world.background.environmentIntensity));
+    }
+  }, [editorState.document.world.background]);
+
   useEffect(() => {
     setSunLightIntensityDraft(String(editorState.document.world.sunLight.intensity));
   }, [editorState.document.world.sunLight.intensity]);