diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
index dae38936f8a01..f110395436a5e 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
@@ -73,7 +73,7 @@ export const enableInfiniteRenderLoopDetection = false;
 export const enableReactTestRendererWarning = false;
 export const disableLegacyMode = true;
 
-export const disableDefaultPropsExceptForClasses = false;
+export const disableDefaultPropsExceptForClasses = true;
 
 export const renameElementSymbol = false;