diff --git a/React/AppSetup/RCTAppSetupUtils.h b/React/AppSetup/RCTAppSetupUtils.h
index 954dee2a987a5c..2611a569294126 100644
--- a/React/AppSetup/RCTAppSetupUtils.h
+++ b/React/AppSetup/RCTAppSetupUtils.h
@@ -9,6 +9,8 @@
 #import <React/RCTBridge.h>
 #import <React/RCTRootView.h>
 
+#ifdef __cplusplus
+
 #if RCT_NEW_ARCH_ENABLED
 
 #ifndef RCT_USE_HERMES
@@ -28,13 +30,6 @@
 #import <ReactCommon/RCTTurboModuleManager.h>
 #endif
 
-RCT_EXTERN_C_BEGIN
-
-void RCTAppSetupPrepareApp(UIApplication *application);
-UIView *RCTAppSetupDefaultRootView(RCTBridge *bridge, NSString *moduleName, NSDictionary *initialProperties);
-
-RCT_EXTERN_C_END
-
 #if RCT_NEW_ARCH_ENABLED
 RCT_EXTERN id<RCTTurboModule> RCTAppSetupDefaultModuleFromClass(Class moduleClass);
 
@@ -42,3 +37,12 @@ std::unique_ptr<facebook::react::JSExecutorFactory> RCTAppSetupDefaultJsExecutor
     RCTBridge *bridge,
     RCTTurboModuleManager *turboModuleManager);
 #endif
+
+#endif // __cplusplus
+
+RCT_EXTERN_C_BEGIN
+
+void RCTAppSetupPrepareApp(UIApplication *application);
+UIView *RCTAppSetupDefaultRootView(RCTBridge *bridge, NSString *moduleName, NSDictionary *initialProperties);
+
+RCT_EXTERN_C_END