diff --git a/source.c b/source.c
index 45aa581..1d676ac 100644
--- a/source.c
+++ b/source.c
@@ -17,6 +17,8 @@ struct powerbar {
 	GtkWidget *poweroff_button;
 };
 
+const gchar module_version[] = "v1.3.5";
+
 static int self_id;
 
 static gboolean show_labels = FALSE;