diff --git a/packages/rn-tester/RNTester/AppDelegate.mm b/packages/rn-tester/RNTester/AppDelegate.mm
index 96afba854ef..38ec36c2349 100644
--- a/packages/rn-tester/RNTester/AppDelegate.mm
+++ b/packages/rn-tester/RNTester/AppDelegate.mm
@@ -88,7 +88,7 @@ static NSString *const kRNConcurrentRoot = @"concurrentRoot";
 
 @implementation AppDelegate
 
-#if RCT_NEW_ARCH_ENABLED
+#ifdef RN_FABRIC_ENABLED
 - (instancetype)init
 {
   if (self = [super init]) {