diff --git a/MemoryModule.c b/MemoryModule.c
index 9c0cd02..344a6bd 100644
--- a/MemoryModule.c
+++ b/MemoryModule.c
@@ -35,7 +35,7 @@
 #define POINTER_TYPE DWORD
 #endif
 
-#include <Windows.h>
+#include <windows.h>
 #include <winnt.h>
 #ifdef DEBUG_OUTPUT
 #include <stdio.h>
diff --git a/MemoryModule.h b/MemoryModule.h
index 1757c7e..9b7a3e5 100644
--- a/MemoryModule.h
+++ b/MemoryModule.h
@@ -27,7 +27,7 @@
 #ifndef __MEMORY_MODULE_HEADER
 #define __MEMORY_MODULE_HEADER
 
-#include <Windows.h>
+#include <windows.h>
 
 typedef void *HMEMORYMODULE;