diff --git a/openbox/startupnotify.c b/openbox/startupnotify.c
index f1b067c7..3383dd5f 100644
--- a/openbox/startupnotify.c
+++ b/openbox/startupnotify.c
@@ -34,7 +34,7 @@ Time sn_app_started(const gchar *id, const gchar *wmclass)
 }
 gboolean sn_get_desktop(gchar *id, guint *desktop) { return FALSE; }
 void sn_setup_spawn_environment(gchar *program, gchar *name,
-                                gchar *icon_name, gint desktop, Time time) {}
+                                gchar *icon_name, gint desktop) {}
 void sn_spawn_cancel() {}
 
 #else