diff --git a/lib/workers/repository/init/config.js b/lib/workers/repository/init/config.js
index c8802f571ff62f0d9c8b2719ed3933defac4393b..8acfb1c0973e07cfe1f0eb905b9425faea883612 100644
--- a/lib/workers/repository/init/config.js
+++ b/lib/workers/repository/init/config.js
@@ -18,9 +18,13 @@ async function mergeRenovateConfig(config) {
       );
       logger.info('Found mirror config');
     } catch (err) {
+      // Do nothing
+    }
+    if (!renovateJson) {
       logger.debug('No mirror config found - using default config');
       renovateJson = { extends: ['config:base'] };
     }
+    logger.debug({ renovateJson }, 'mirrorMode config');
     const migratedConfig = migrateAndValidate(config, renovateJson);
     const resolvedConfig = await presets.resolveConfigPresets(migratedConfig);
     returnConfig = mergeChildConfig(returnConfig, resolvedConfig);