diff --git a/sys/fs/nfs/nfs_commonsubs.c b/sys/fs/nfs/nfs_commonsubs.c
index 95aa7bd30ceb..efc078639c7d 100644
--- a/sys/fs/nfs/nfs_commonsubs.c
+++ b/sys/fs/nfs/nfs_commonsubs.c
@@ -1998,7 +1998,6 @@ nfsv4_fillattr(struct nfsrv_descript *nd, struct mount *mp, vnode_t vp,
 	struct statfs fs;
 	struct nfsfsinfo fsinf;
 	struct timespec temptime;
-	struct timeval curtime;
 	NFSACL_T *aclp, *naclp = NULL;
 #ifdef QUOTA
 	struct dqblk dqb;
@@ -2412,8 +2411,7 @@ nfsv4_fillattr(struct nfsrv_descript *nd, struct mount *mp, vnode_t vp,
 			retnum += NFSX_V4TIME;
 			break;
 		case NFSATTRBIT_TIMEACCESSSET:
-			NFSGETTIME(&curtime);
-			if (vap->va_atime.tv_sec != curtime.tv_sec) {
+			if ((vap->va_vaflags & VA_UTIMES_NULL) == 0) {
 				NFSM_BUILD(tl, u_int32_t *, NFSX_V4SETTIME);
 				*tl++ = txdr_unsigned(NFSV4SATTRTIME_TOCLIENT);
 				txdr_nfsv4time(&vap->va_atime, tl);
@@ -2442,8 +2440,7 @@ nfsv4_fillattr(struct nfsrv_descript *nd, struct mount *mp, vnode_t vp,
 			retnum += NFSX_V4TIME;
 			break;
 		case NFSATTRBIT_TIMEMODIFYSET:
-			NFSGETTIME(&curtime);
-			if (vap->va_mtime.tv_sec != curtime.tv_sec) {
+			if ((vap->va_vaflags & VA_UTIMES_NULL) == 0) {
 				NFSM_BUILD(tl, u_int32_t *, NFSX_V4SETTIME);
 				*tl++ = txdr_unsigned(NFSV4SATTRTIME_TOCLIENT);
 				txdr_nfsv4time(&vap->va_mtime, tl);
diff --git a/sys/fs/nfsclient/nfs_clport.c b/sys/fs/nfsclient/nfs_clport.c
index 145ff63b4e6d..152f13fb1756 100644
--- a/sys/fs/nfsclient/nfs_clport.c
+++ b/sys/fs/nfsclient/nfs_clport.c
@@ -789,7 +789,7 @@ nfscl_fillsattr(struct nfsrv_descript *nd, struct vattr *vap,
 			*tl = newnfs_false;
 		}
 		if (vap->va_atime.tv_sec != VNOVAL) {
-			if (vap->va_atime.tv_sec != curtime.tv_sec) {
+			if ((vap->va_vaflags & VA_UTIMES_NULL) == 0) {
 				NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
 				*tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT);
 				txdr_nfsv3time(&vap->va_atime, tl);
@@ -802,7 +802,7 @@ nfscl_fillsattr(struct nfsrv_descript *nd, struct vattr *vap,
 			*tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE);
 		}
 		if (vap->va_mtime.tv_sec != VNOVAL) {
-			if (vap->va_mtime.tv_sec != curtime.tv_sec) {
+			if ((vap->va_vaflags & VA_UTIMES_NULL) == 0) {
 				NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED);
 				*tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT);
 				txdr_nfsv3time(&vap->va_mtime, tl);
diff --git a/sys/nfsclient/nfs_subs.c b/sys/nfsclient/nfs_subs.c
index fd83794152ba..372322315549 100644
--- a/sys/nfsclient/nfs_subs.c
+++ b/sys/nfsclient/nfs_subs.c
@@ -1110,7 +1110,7 @@ nfsm_v3attrbuild_xx(struct vattr *va, int full, struct mbuf **mb,
 		*tl = nfs_false;
 	}
 	if (va->va_atime.tv_sec != VNOVAL) {
-		if (va->va_atime.tv_sec != time_second) {
+		if ((va->va_vaflags & VA_UTIMES_NULL) == 0) {
 			tl = nfsm_build_xx(3 * NFSX_UNSIGNED, mb, bpos);
 			*tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT);
 			txdr_nfsv3time(&va->va_atime, tl);
@@ -1123,7 +1123,7 @@ nfsm_v3attrbuild_xx(struct vattr *va, int full, struct mbuf **mb,
 		*tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE);
 	}
 	if (va->va_mtime.tv_sec != VNOVAL) {
-		if (va->va_mtime.tv_sec != time_second) {
+		if ((va->va_vaflags & VA_UTIMES_NULL) == 0) {
 			tl = nfsm_build_xx(3 * NFSX_UNSIGNED, mb, bpos);
 			*tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT);
 			txdr_nfsv3time(&va->va_mtime, tl);