diff --git a/lib/workers/repository/extract/manager-files.js b/lib/workers/repository/extract/manager-files.js
index 0b18a9e713dbf3a952f5543425cd0e568fddcce3..6452ec9e24aa448b1d364da5cbde99410b5bad51 100644
--- a/lib/workers/repository/extract/manager-files.js
+++ b/lib/workers/repository/extract/manager-files.js
@@ -36,12 +36,15 @@ async function getManagerPackageFiles(config, managerConfig) {
     manager,
     config[manager].fileMatch
   );
+  // istanbul ignore else
   if (matchedFiles.length) {
     logger.debug(
       `Matched ${
         matchedFiles.length
       } file(s) for manager ${manager}: ${matchedFiles.join(', ')}`
     );
+  } else {
+    return [];
   }
   // Extract package files synchronously if manager requires it
   if (get(manager, 'extractAllPackageFiles')) {