diff --git a/libsepol/src/policydb.c b/libsepol/src/policydb.c
index fc260eb664..fd5800856a 100644
--- a/libsepol/src/policydb.c
+++ b/libsepol/src/policydb.c
@@ -1391,8 +1391,10 @@ static int sens_destroy(hashtab_key_t key, hashtab_datum_t datum, void *p
 	if (key)
 		free(key);
 	levdatum = (level_datum_t *) datum;
-	mls_level_destroy(levdatum->level);
-	free(levdatum->level);
+	if (!levdatum->isalias) {
+		mls_level_destroy(levdatum->level);
+		free(levdatum->level);
+	}
 	level_datum_destroy(levdatum);
 	free(levdatum);
 	return 0;