diff --git a/src/ui.c b/src/ui.c
index 5a8c37d..a734e7b 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -1600,7 +1600,8 @@
 }
 #endif
 
-#if defined(FEAT_GUI) || defined(FEAT_MOUSE_GPM) \
+#if defined(FEAT_GUI) \
+	|| defined(FEAT_MOUSE_GPM) || defined(FEAT_SYSMOUSE) \
 	|| defined(FEAT_XCLIPBOARD) || defined(VMS) \
 	|| defined(FEAT_SNIFF) || defined(FEAT_CLIENTSERVER) \
 	|| defined(PROTO)