diff --git a/rpcs3/Emu/Memory/Memory.h b/rpcs3/Emu/Memory/Memory.h
index bd06a5e56d..4eea68c630 100644
--- a/rpcs3/Emu/Memory/Memory.h
+++ b/rpcs3/Emu/Memory/Memory.h
@@ -1,4 +1,9 @@
 #pragma once
+
+#ifndef _WIN32
+#include <sys/mman.h>
+#endif
+
 #include "Emu/SysCalls/Callback.h"
 #include "MemoryBlock.h"
 #include <vector>