diff --git a/Source/Project64-core/N64System/Recompiler/FunctionMapClass.h b/Source/Project64-core/N64System/Recompiler/FunctionMapClass.h
index 531031f83..97c180fb1 100644
--- a/Source/Project64-core/N64System/Recompiler/FunctionMapClass.h
+++ b/Source/Project64-core/N64System/Recompiler/FunctionMapClass.h
@@ -10,6 +10,7 @@
 ****************************************************************************/
 #pragma once
 #include <Project64-core/N64System/Recompiler/FunctionInfo.h>
+#include <Project64-core/Settings/GameSettings.h>
 
 class CFunctionMap :
     private CGameSettings