diff --git a/sys/geom/geom_disk.c b/sys/geom/geom_disk.c
index 7145c0d2e60f..6b83173dc263 100644
--- a/sys/geom/geom_disk.c
+++ b/sys/geom/geom_disk.c
@@ -406,7 +406,7 @@ disk_destroy(struct disk *dp)
 	dp->d_destroyed = 1;
 	if (dp->d_devstat != NULL)
 		devstat_remove_entry(dp->d_devstat);
-	g_post_event(g_disk_destroy, dp, M_WAITOK, NULL, NULL);
+	g_post_event(g_disk_destroy, dp, M_WAITOK, NULL);
 }
 
 static void