diff --git a/reactos/dll/win32/winfax/precomp.h b/reactos/dll/win32/winfax/precomp.h
index 0cd2733538e..6d96326edb9 100644
--- a/reactos/dll/win32/winfax/precomp.h
+++ b/reactos/dll/win32/winfax/precomp.h
@@ -1,5 +1,5 @@
 #include <windows.h>
-#include <WinFax.h>
+#include <winfax.h>
 
 /* INTERNAL *******************************************************************/