diff --git a/ntfsprogs/ntfsfix.c b/ntfsprogs/ntfsfix.c
index 1ac60e6f..da260a4a 100644
--- a/ntfsprogs/ntfsfix.c
+++ b/ntfsprogs/ntfsfix.c
@@ -213,8 +213,8 @@ static int OLD_ntfs_volume_set_flags(ntfs_volume *vol, const le16 flags)
 				"context.\n");
 		goto err_exit;
 	}
-	if (ntfs_attr_lookup(AT_VOLUME_INFORMATION, AT_UNNAMED, 0, 0, 0, NULL,
-			0, ctx)) {
+	if (ntfs_attr_lookup(AT_VOLUME_INFORMATION, AT_UNNAMED, 0,
+			CASE_SENSITIVE, 0, NULL, 0, ctx)) {
 		ntfs_log_error("Attribute $VOLUME_INFORMATION was not found in "
 				"$Volume!\n");
 		goto err_out;
diff --git a/ntfsprogs/ntfslabel.c b/ntfsprogs/ntfslabel.c
index 6d9beb1f..80a9dbb2 100644
--- a/ntfsprogs/ntfslabel.c
+++ b/ntfsprogs/ntfslabel.c
@@ -298,8 +298,8 @@ static int change_label(ntfs_volume *vol, unsigned long mnt_flags, char *label,
 		ntfs_log_perror("Failed to get attribute search context");
 		goto err_out;
 	}
-	if (ntfs_attr_lookup(AT_VOLUME_NAME, AT_UNNAMED, 0, 0, 0, NULL, 0,
-			ctx)) {
+	if (ntfs_attr_lookup(AT_VOLUME_NAME, AT_UNNAMED, 0, CASE_SENSITIVE,
+			0, NULL, 0, ctx)) {
 		if (errno != ENOENT) {
 			ntfs_log_perror("Lookup of $VOLUME_NAME attribute failed");
 			goto err_out;
@@ -325,7 +325,7 @@ static int change_label(ntfs_volume *vol, unsigned long mnt_flags, char *label,
 				"allowed. Truncating excess characters.\n",
 				(unsigned)(0x100 / sizeof(ntfschar)));
 		label_len = 0x100;
-		new_label[label_len / sizeof(ntfschar)] = 0;
+		new_label[label_len / sizeof(ntfschar)] = const_cpu_to_le16(0);
 	}
 	if (a) {
 		if (resize_resident_attribute_value(ctx->mrec, a, label_len)) {