diff --git a/files/file.go b/files/file.go
index c1451878..3892d991 100644
--- a/files/file.go
+++ b/files/file.go
@@ -170,7 +170,7 @@ func (i *FileInfo) detectType(modify, saveContent, readHeader bool) error {
 	case strings.HasPrefix(mimetype, "image"):
 		i.Type = "image"
 		return nil
-	case (strings.HasPrefix(mimetype, "text") || (len(buffer) > 0 && !isBinary(buffer))) && i.Size <= 10*1024*1024: // 10 MB
+	case (strings.HasPrefix(mimetype, "text") || !isBinary(buffer)) && i.Size <= 10*1024*1024: // 10 MB
 		i.Type = "text"
 
 		if !modify {