diff --git a/dlls/psapi/psapi_main.c b/dlls/psapi/psapi_main.c
index e2c4152..5deae7c 100644
--- a/dlls/psapi/psapi_main.c
+++ b/dlls/psapi/psapi_main.c
@@ -5,7 +5,7 @@
  */
 
 #include "winbase.h"
-#include "wintypes.h"
+#include "windef.h"
 #include "winerror.h"
 #include "debug.h"
 #include "psapi.h"