diff --git a/crypto/objects/obj_dat.c b/crypto/objects/obj_dat.c
index 06a3fb3406161d8226f32fdf2220000426349b61..f4412f661aa41f878306cc08443e5a4c40fb9a10 100644
--- a/crypto/objects/obj_dat.c
+++ b/crypto/objects/obj_dat.c
@@ -213,7 +213,7 @@ int OBJ_add_object(const ASN1_OBJECT *obj)
  err:
     for (i = ADDED_DATA; i <= ADDED_NID; i++)
         OPENSSL_free(ao[i]);
-    OPENSSL_free(o);
+    ASN1_OBJECT_free(o);
     return NID_undef;
 }