diff --git a/GPU/Common/TextureDecoder.h b/GPU/Common/TextureDecoder.h
index b151a40d03..35ffa8400f 100644
--- a/GPU/Common/TextureDecoder.h
+++ b/GPU/Common/TextureDecoder.h
@@ -49,7 +49,7 @@ void DoUnswizzleTex16Basic(const u8 *texptr, u32 *ydestp, int bxc, int byc, u32
 #define DoReliableHash32 XXH32
 #define DoReliableHash64 XXH64
 
-#ifdef _M_X64 || defined(ARM64)
+#if defined(_M_X64) || defined(ARM64)
 #define DoReliableHash XXH64
 typedef u64 ReliableHashType;
 #else