diff --git a/lib/datasource/github/index.js b/lib/datasource/github/index.js
index 60ce84a41882d1c4dc75195126eadfc9b7bada9e..c5d1b97608909f379746d2320e0e2a96b62125e2 100644
--- a/lib/datasource/github/index.js
+++ b/lib/datasource/github/index.js
@@ -22,7 +22,7 @@ async function fetchJSONFile(repo, fileName) {
   try {
     res = await got(url, opts);
   } catch (err) {
-    logger.debug('Failed to retrieve renovate.json from repo');
+    logger.debug(`Failed to retrieve ${fileName} from repo`);
     throw new Error('dep not found');
   }
   try {