diff --git a/lib/util/cache/repository/impl/base.ts b/lib/util/cache/repository/impl/base.ts
index 0a74accb69e197cce8694a7e018fa67b7b4d171f..59a78649c5959900b56d685cc5a51f45c45ea839 100644
--- a/lib/util/cache/repository/impl/base.ts
+++ b/lib/util/cache/repository/impl/base.ts
@@ -63,7 +63,7 @@ export abstract class RepoCacheBase implements RepoCache {
         return;
       }
 
-      logger.debug('Repository cache is invalid');
+      logger.warn({ err: cacheV13.error }, 'Repository cache is invalid');
     } catch (err) /* istanbul ignore next: not easily testable */ {
       logger.debug({ err }, 'Error reading repository cache');
     }