diff --git a/src/pal/inc/rt/palrt.h b/src/pal/inc/rt/palrt.h
index f4fa78aabf59..14d4ec409cef 100644
--- a/src/pal/inc/rt/palrt.h
+++ b/src/pal/inc/rt/palrt.h
@@ -1177,7 +1177,7 @@ typedef VOID (__stdcall *WAITORTIMERCALLBACK)(PVOID, BOOLEAN);
 // The message in these two macros should not contain any keywords like TODO
 // or NYI. It should be just the brief description of the problem.
 
-#if defined(_TARGET_X86_)
+#ifdef PORTABILITY_CHECK
 // Finished ports - compile-time errors
 #define PORTABILITY_WARNING(message)    NEED_TO_PORT_THIS_ONE(NEED_TO_PORT_THIS_ONE)
 #define PORTABILITY_ASSERT(message)     NEED_TO_PORT_THIS_ONE(NEED_TO_PORT_THIS_ONE)