diff --git a/controls/edit.c b/controls/edit.c
index 25ea9d4..c10729e 100644
--- a/controls/edit.c
+++ b/controls/edit.c
@@ -14,6 +14,8 @@
 #include "config.h"
 
 #include <string.h>
+
+#include "winbase.h"
 #include "winnt.h"
 #include "win.h"
 #include "wine/winbase16.h"