diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c
index 8cc4a57cdaf..3928cde7a71 100644
--- a/sys/kern/vfs_subr.c
+++ b/sys/kern/vfs_subr.c
@@ -2563,7 +2563,7 @@ restart_unlocked:
 		 */
 restartsync:
 		TAILQ_FOREACH_SAFE(bp, &bo->bo_dirty.bv_hd, b_bobufs, nbp) {
-			if (bp->b_lblkno > 0)
+			if (bp->b_lblkno >= 0)
 				continue;
 			/*
 			 * Since we hold the vnode lock this should only