diff --git a/sys/nfs4client/nfs4_vfsops.c b/sys/nfs4client/nfs4_vfsops.c
index 27249b8a8c9c..1e4968c6742e 100644
--- a/sys/nfs4client/nfs4_vfsops.c
+++ b/sys/nfs4client/nfs4_vfsops.c
@@ -752,6 +752,7 @@ loop:
 			continue;
 		}
 		if (vget(vp, LK_EXCLUSIVE | LK_INTERLOCK, td)) {
+			MNT_ILOCK(mp);
 			goto loop;
 		}
 		error = VOP_FSYNC(vp, waitfor, td);