diff --git a/reactos/ntoskrnl/rtl/libsupp.c b/reactos/ntoskrnl/rtl/libsupp.c
index 4a6c8bc55ea..cbff1792b2c 100644
--- a/reactos/ntoskrnl/rtl/libsupp.c
+++ b/reactos/ntoskrnl/rtl/libsupp.c
@@ -225,7 +225,7 @@ RtlpHandleDpcStackException(IN PEXCEPTION_REGISTRATION_RECORD RegistrationFrame,
     return FALSE;
 }
 
-#ifndef _ARM_
+#if !defined(_ARM_) && !defined(_AMD64_)
 
 BOOLEAN
 NTAPI