diff --git a/pcsx2/x86/ix86-32/iR5900Move.cpp b/pcsx2/x86/ix86-32/iR5900Move.cpp
index b1fd6c26a5..0b66c15efc 100644
--- a/pcsx2/x86/ix86-32/iR5900Move.cpp
+++ b/pcsx2/x86/ix86-32/iR5900Move.cpp
@@ -65,7 +65,7 @@ static void xCopy64(u64* dst, u64* src)
 
 static void xCMPToZero64(u64* mem)
 {
-#ifndef __M_X86_64
+#ifdef __M_X86_64
 	xCMP(ptr64[mem], 0);
 #else
 	xMOV(eax, ptr32[(u32*)mem]);