diff --git a/private/react-native-fantom/runtime/mocks/ReactNativeInternalFeatureFlags.js b/private/react-native-fantom/runtime/mocks/ReactNativeInternalFeatureFlags.js
index 140add8e8685..51f1895e9867 100644
--- a/private/react-native-fantom/runtime/mocks/ReactNativeInternalFeatureFlags.js
+++ b/private/react-native-fantom/runtime/mocks/ReactNativeInternalFeatureFlags.js
@@ -13,4 +13,5 @@ module.exports = {
   enableFragmentRefsInstanceHandles: true,
   enableFragmentRefsTextNodes: true,
   enableViewTransitionForPersistenceMode: true,
+  enableConditionalUseWarning: true,
 };