1 files changed, 1 insertions, 1 deletions
diff --git a/ui_util.h b/ui_util.h
index 2534024ab9..217f675250 100644
--- a/ui_util.h
+++ b/ui_util.h
@@ -34,7 +34,7 @@ extern "C" {
 /* gui_utils.c */
 
 /* Set the name of the top-level window and its icon. */
-void set_main_window_name(gchar *);
+void set_main_window_name(const gchar *);
 /* Update the name of the main window if the user-specified decoration
    changed. */
 void update_main_window_name(void);