diff --git a/pcsx2/x86/R5900_Profiler.h b/pcsx2/x86/R5900_Profiler.h
index cb6a0bb148..5ccac5998d 100644
--- a/pcsx2/x86/R5900_Profiler.h
+++ b/pcsx2/x86/R5900_Profiler.h
@@ -14,6 +14,7 @@
  */
 
 #pragma once
+#include "Pcsx2Defs.h"
 
 // Keep my nice alignment please!
 #define MOVZ MOVZtemp