diff --git a/server/gitea/cache.go b/server/gitea/cache.go
index 19a7b1f..b1d66f3 100644
--- a/server/gitea/cache.go
+++ b/server/gitea/cache.go
@@ -60,7 +60,7 @@ func (f FileResponse) createHttpResponse(cacheKey string) (http.Header, int) {
 	header.Set(ContentLengthHeader, fmt.Sprintf("%d", len(f.Body)))
 	header.Set(PagesCacheIndicatorHeader, "true")
 
-	log.Trace().Msgf("fileCache for '%s' used", cacheKey)
+	log.Trace().Msgf("fileCache for %q used", cacheKey)
 	return header, statusCode
 }
 
@@ -95,19 +95,19 @@ func (t *writeCacheReader) Close() error {
 		fc.Body = t.buff.Bytes()
 		_ = t.cache.Set(t.cacheKey, fc, fileCacheTimeout)
 	}
-	log.Trace().Msgf("cacheReader for '%s' saved=%v closed", t.cacheKey, !t.hasErr)
+	log.Trace().Msgf("cacheReader for %q saved=%t closed", t.cacheKey, !t.hasErr)
 	return t.rc.Close()
 }
 
 func (f FileResponse) CreateCacheReader(r io.ReadCloser, cache cache.SetGetKey, cacheKey string) io.ReadCloser {
-	buf := []byte{}
 	if r == nil || cache == nil || cacheKey == "" {
 		log.Error().Msg("could not create CacheReader")
-		return r
+		return nil
 	}
+
 	return &writeCacheReader{
 		rc:       r,
-		buff:     bytes.NewBuffer(buf),
+		buff:     bytes.NewBuffer(make([]byte, 0)),
 		f:        &f,
 		cache:    cache,
 		cacheKey: cacheKey,