Fix issue #1644
diff --git a/application/config/mimes.php b/application/config/mimes.php
index 4b1d6a8..a239bb2 100644
--- a/application/config/mimes.php
+++ b/application/config/mimes.php
@@ -37,7 +37,7 @@
return array(
'hqx' => array('application/mac-binhex40', 'application/mac-binhex', 'application/x-binhex40', 'application/x-mac-binhex40'),
'cpt' => 'application/mac-compactpro',
- 'csv' => array('text/x-comma-separated-values', 'text/comma-separated-values', 'application/octet-stream', 'application/vnd.ms-excel', 'application/x-csv', 'text/x-csv', 'text/csv', 'application/csv', 'application/excel', 'application/vnd.msexcel'),
+ 'csv' => array('text/x-comma-separated-values', 'text/comma-separated-values', 'application/octet-stream', 'application/vnd.ms-excel', 'application/x-csv', 'text/x-csv', 'text/csv', 'application/csv', 'application/excel', 'application/vnd.msexcel', 'text/plain'),
'bin' => array('application/macbinary', 'application/mac-binary', 'application/octet-stream', 'application/x-binary', 'application/x-macbinary'),
'dms' => 'application/octet-stream',
'lha' => 'application/octet-stream',