diff --git a/lib/config/presets/github.ts b/lib/config/presets/github.ts
index 34593655deda962caaccd139ba4ecb7d7caa9ab9..11849e764a42ebcdcdda0853681878871d09fbc1 100644
--- a/lib/config/presets/github.ts
+++ b/lib/config/presets/github.ts
@@ -62,7 +62,7 @@ export async function getPresetFromEndpoint(
       jsonContent = await fetchJSONFile(pkgName, 'renovate.json', endpoint);
     }
   } else {
-    jsonContent = await fetchJSONFile(pkgName, `${filePreset}.json`, endpoint);
+    jsonContent = await fetchJSONFile(pkgName, `${fileName}.json`, endpoint);
   }
   if (presetName) {
     if (subPresetName) {