diff --git a/disk-utils/sfdisk.c b/disk-utils/sfdisk.c
index f9f733b48..997623125 100644
--- a/disk-utils/sfdisk.c
+++ b/disk-utils/sfdisk.c
@@ -715,9 +715,9 @@ static int command_parttype(struct sfdisk *sf, int argc, char **argv)
 	if (sf->backup)
 		backup_partition_table(sf, devname);
 
-	/* parse <type> and apply yo PT */
+	/* parse <type> and apply to PT */
 	type = fdisk_label_parse_parttype(lb, typestr);
-	if (!type || fdisk_parttype_is_unknown(type))
+	if (!type)
 		errx(EXIT_FAILURE, _("failed to parse %s partition type '%s'"),
 				fdisk_label_get_name(lb), typestr);
 
diff --git a/libfdisk/src/script.c b/libfdisk/src/script.c
index 684c01401..5a89790d7 100644
--- a/libfdisk/src/script.c
+++ b/libfdisk/src/script.c
@@ -697,7 +697,7 @@ static int parse_script_line(struct fdisk_script *dp, char *s)
 					script_get_label(dp), type);
 			free(type);
 
-			if (!pa->type || fdisk_parttype_is_unknown(pa->type)) {
+			if (!pa->type) {
 				rc = -EINVAL;
 				fdisk_unref_parttype(pa->type);
 				pa->type = NULL;
@@ -843,7 +843,7 @@ static int parse_commas_line(struct fdisk_script *dp, char *s)
 						script_get_label(dp), str);
 			free(str);
 
-			if (!pa->type || fdisk_parttype_is_unknown(pa->type)) {
+			if (!pa->type) {
 				rc = -EINVAL;
 				fdisk_unref_parttype(pa->type);
 				pa->type = NULL;