diff --git a/src/Handler/Submission.hs b/src/Handler/Submission.hs
index bd329cf7e..86d52be0b 100644
--- a/src/Handler/Submission.hs
+++ b/src/Handler/Submission.hs
@@ -302,7 +302,7 @@ getSubmissionDownloadSingleR tid csh shn cID path = do
 
         let fileName = Text.pack $ takeFileName path
         case results of
-          [Entity _ File{ fileContent = Just c }] -> return $ TypedContent (defaultMimeLookup fileName) (toContent c)
+          [Entity _ File{ fileContent = Just c }] -> return $ TypedContent (defaultMimeLookup fileName <> "; charset=utf-8") (toContent c)
           _ -> notFound
 
 getSubmissionDownloadArchiveR :: TermId -> Text -> Text -> ZIPArchiveName SubmissionId -> Handler TypedContent