diff --git a/src/main/scala/gitbucket/core/util/JGitUtil.scala b/src/main/scala/gitbucket/core/util/JGitUtil.scala
index 802f9d1..493255b 100644
--- a/src/main/scala/gitbucket/core/util/JGitUtil.scala
+++ b/src/main/scala/gitbucket/core/util/JGitUtil.scala
@@ -667,7 +667,7 @@
     using(new DiffFormatter(out)){ formatter =>
       formatter.setRepository(git.getRepository)
       formatter.format(diff)
-      val patch = new String(out.toByteArray)
+      val patch = new String(out.toByteArray) // TODO charset???
       patch.split("\n").drop(4).mkString("\n")
     }
   }