diff --git a/sources/auth.c b/sources/auth.c
index 44d32002b..09463482d 100644
--- a/sources/auth.c
+++ b/sources/auth.c
@@ -695,7 +695,7 @@ static inline int od_auth_frontend_mdb_iamproxy(od_client_t *client)
 		return -1;
 	}
 
-    /* start iam checking */ 
+	/* start iam checking */
 	int authenticate_result =
 		mdb_iamproxy_authenticate_user(client->startup.user.value,
 					       client_token.password, instance,
@@ -703,9 +703,9 @@ static inline int od_auth_frontend_mdb_iamproxy(od_client_t *client)
 	kiwi_password_free(&client_token);
 	machine_msg_free(msg);
 	if (authenticate_result != OK_RESPONSE) {
-        goto auth_failed; // refence at line 80, 100 and etc
+		goto auth_failed; // refence at line 80, 100 and etc
 	}
-    return OK_RESPONSE;
+	return OK_RESPONSE;
 
 auth_failed:
 	od_log(&instance->logger, "auth", client, NULL,