diff --git a/rainbow/GtkMain/GtkMain.upp b/rainbow/GtkMain/GtkMain.upp
index 659080572..4823c2ac2 100644
--- a/rainbow/GtkMain/GtkMain.upp
+++ b/rainbow/GtkMain/GtkMain.upp
@@ -1,7 +1,8 @@
 uses
 	CtrlLib,
 	Gtk,
-	RichEdit;
+	RichEdit,
+	Skeleton;
 
 file
 	main.cpp;