diff --git a/mgmtd/mgmt_txn.c b/mgmtd/mgmt_txn.c
index 9ab476716a..45bc3a2930 100644
--- a/mgmtd/mgmt_txn.c
+++ b/mgmtd/mgmt_txn.c
@@ -2138,6 +2138,7 @@ int mgmt_txn_notify_be_adapter_conn(struct mgmt_be_client_adapter *adapter,
 		if (!txn) {
 			MGMTD_TXN_ERR("Failed to create CONFIG Transaction for downloading CONFIGs for client '%s'",
 				      adapter->name);
+			nb_config_diff_del_changes(adapter_cfgs);
 			return -1;
 		}