1 files changed, 1 insertions, 1 deletions
diff --git a/gtk-gui.c b/gtk-gui.c
index 3eac5399e..8e21f3133 100644
--- a/gtk-gui.c
+++ b/gtk-gui.c
@@ -1028,7 +1028,7 @@ void init_ui(int *argcp, char ***argvp)
 		uemis_max_dive_data = strdup("");
 	else
 		uemis_max_dive_data = strdup(conf_value);
-	free(conf_value);
+	free((char *)conf_value);
 	error_info_bar = NULL;
 	win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 	g_set_application_name ("subsurface");