diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index a49dfce..1eb2bb9 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -6339,6 +6339,8 @@
 
 #if (defined(FEAT_WINDOWS) && defined(HAVE_DROP_FILE)) \
 	|| (defined(FEAT_GUI_GTK) && defined(FEAT_DND)) \
+	|| defined(FEAT_GUI_MSWIN) \
+	|| defined(FEAT_GUI_MAC) \
 	|| defined(PROTO)
 
 /*