diff --git a/uppsrc/Core/Cpu.cpp b/uppsrc/Core/Cpu.cpp
index a5c785a9c..aca63e42d 100644
--- a/uppsrc/Core/Cpu.cpp
+++ b/uppsrc/Core/Cpu.cpp
@@ -1,6 +1,6 @@
 #include "Core.h"
 
-#if !(defined(CPU_X86) && defined(COMPILER_MSC))
+#if defined(CPU_X86) && !defined(COMPILER_MSC)
 #include <cpuid.h>
 #endif