diff --git a/sys/dev/mvs/mvs.c b/sys/dev/mvs/mvs.c
index 038e9f210722..2694d9cc380a 100644
--- a/sys/dev/mvs/mvs.c
+++ b/sys/dev/mvs/mvs.c
@@ -2168,6 +2168,6 @@ mvspoll(struct cam_sim *sim)
 
 	arg.arg = ch->dev;
 	arg.cause = 2; /* XXX */
-	mvs_ch_intr(arg.arg);
+	mvs_ch_intr(&arg);
 }