diff --git a/include/ntfs-3g/endians.h b/include/ntfs-3g/endians.h
index 8b374968..4c5d7325 100644
--- a/include/ntfs-3g/endians.h
+++ b/include/ntfs-3g/endians.h
@@ -314,4 +314,6 @@
 
 #define le32_cmpz(a) (!(a))
 
+#define le64_cmpz(a) (!(a))
+
 #endif /* defined _NTFS_ENDIANS_H */
diff --git a/ntfsprogs/ntfsclone.c b/ntfsprogs/ntfsclone.c
index 90ded142..f6dd8c73 100644
--- a/ntfsprogs/ntfsclone.c
+++ b/ntfsprogs/ntfsclone.c
@@ -1985,7 +1985,7 @@ static int walk_clusters(ntfs_volume *volume, struct ntfs_walk_cluster *walk)
 		if (wipe)
 			nr_used_mft_records++;
 
-		if (ni->mrec->base_mft_record)
+		if (!le64_cmpz(ni->mrec->base_mft_record))
 			goto out;
 
 		walk->image->ni = ni;
diff --git a/ntfsprogs/ntfscmp.c b/ntfsprogs/ntfscmp.c
index ab07c67a..b91b4b04 100644
--- a/ntfsprogs/ntfscmp.c
+++ b/ntfsprogs/ntfscmp.c
@@ -363,7 +363,7 @@ static int inode_open(ntfs_volume *vol, MFT_REF mref, ntfs_inode **ni)
 		return NTFSCMP_INODE_OPEN_ERROR;
 	}
 
-	if ((*ni)->mrec->base_mft_record) {
+	if (!le64_cmpz((*ni)->mrec->base_mft_record)) {
 
 		if (inode_close(*ni) != 0)
 			return NTFSCMP_INODE_CLOSE_ERROR;
diff --git a/ntfsprogs/ntfsinfo.c b/ntfsprogs/ntfsinfo.c
index 983bf4ae..bc58b0ab 100644
--- a/ntfsprogs/ntfsinfo.c
+++ b/ntfsprogs/ntfsinfo.c
@@ -2221,7 +2221,7 @@ static void ntfs_dump_inode_general_info(ntfs_inode *inode)
 			(unsigned)le32_to_cpu(mrec->bytes_allocated),
 			(unsigned)le32_to_cpu(mrec->bytes_allocated));
 
-	if (mrec->base_mft_record) {
+	if (!le64_cmpz(mrec->base_mft_record)) {
 		printf("Base MFT Record:\t %llu (0x%llx)\n",
 				(unsigned long long)
 				MREF_LE(mrec->base_mft_record),
diff --git a/ntfsprogs/ntfsresize.c b/ntfsprogs/ntfsresize.c
index 0bcc36c5..f6223181 100644
--- a/ntfsprogs/ntfsresize.c
+++ b/ntfsprogs/ntfsresize.c
@@ -1083,7 +1083,7 @@ static int build_allocation_bitmap(ntfs_volume *vol, ntfsck_t *fsck)
 			return -1;
 		}
 
-		if (ni->mrec->base_mft_record)
+		if (!le64_cmpz(ni->mrec->base_mft_record))
 			goto close_inode;
 
 		fsck->ni = ni;
@@ -1157,7 +1157,7 @@ static void set_resize_constraints(ntfs_resize_t *resize)
 					(long long)inode);
 		}
 
-		if (ni->mrec->base_mft_record)
+		if (!le64_cmpz(ni->mrec->base_mft_record))
 			goto close_inode;
 
 		resize->ni = ni;
@@ -1404,7 +1404,7 @@ static void replace_later(ntfs_resize_t *resize, runlist *rl, runlist *head_rl)
 	delayed = (struct DELAYED*)ntfs_malloc(sizeof(struct DELAYED));
 	if (delayed && (attr_name || !name_len)) {
 		lemref = resize->ctx->mrec->base_mft_record;
-		if (lemref)
+		if (!le64_cmpz(lemref))
 			mref = le64_to_cpu(lemref);
 		else
 			mref = resize->mref;
diff --git a/ntfsprogs/ntfswipe.c b/ntfsprogs/ntfswipe.c
index 658aaac0..59836941 100644
--- a/ntfsprogs/ntfswipe.c
+++ b/ntfsprogs/ntfswipe.c
@@ -885,7 +885,7 @@ static s64 wipe_tails(ntfs_volume *vol, int byte, enum action act)
 			continue;
 		}
 
-		if (ni->mrec->base_mft_record) {
+		if (!le64_cmpz(ni->mrec->base_mft_record)) {
 			ntfs_log_verbose("Not base mft record. Skipping\n");
 			goto close_inode;
 		}
@@ -1247,7 +1247,7 @@ static s64 wipe_directory(ntfs_volume *vol, int byte, enum action act)
 			continue;
 		}
 
-		if (ni->mrec->base_mft_record) {
+		if (!le64_cmpz(ni->mrec->base_mft_record)) {
 			if (opts.verbose > 2)
 				ntfs_log_verbose("Not base mft record. Skipping\n");
 			else
diff --git a/ntfsprogs/utils.c b/ntfsprogs/utils.c
index 7ac31163..0d766b57 100644
--- a/ntfsprogs/utils.c
+++ b/ntfsprogs/utils.c
@@ -867,7 +867,7 @@ int utils_is_metadata(ntfs_inode *inode)
 		return 1;
 
 	file = inode->mrec;
-	if (file && (file->base_mft_record != 0)) {
+	if (file && !le64_cmpz(file->base_mft_record)) {
 		num = MREF_LE(file->base_mft_record);
 		if (__metadata(vol, num) == 1)
 			return 1;