diff --git a/module/zfs/arc.c b/module/zfs/arc.c
index ff55b0233aaa..ca49d1efe810 100644
--- a/module/zfs/arc.c
+++ b/module/zfs/arc.c
@@ -3455,7 +3455,7 @@ arc_access(arc_buf_hdr_t *hdr, kmutex_t *hash_lock)
 		DTRACE_PROBE1(new_state__mfu, arc_buf_hdr_t *, hdr);
 		arc_change_state(arc_mfu, hdr, hash_lock);
 	} else {
-		cmn_err(CE_PANIC, "invalid arc state 0x%p", buf->b_state);
+		cmn_err(CE_PANIC, "invalid arc state 0x%p", hdr->b_state);
 	}
 }