--- a/src/sampleconf/mimeview
+++ b/src/sampleconf/mimeview
@@ -26,6 +26,8 @@
 application/msword = libreoffice %f
 application/vnd.ms-excel = libreoffice %f
 application/vnd.ms-powerpoint = libreoffice %f
+
+application/vn.oasis.opendocument.txt = libreoffice %f
 
 application/vnd.openxmlformats-officedocument.wordprocessingml.document = \
  libreoffice %f