diff --git a/mblaze/filter b/mblaze/filter
index c7743a7..1f65c63 100644
--- a/mblaze/filter
+++ b/mblaze/filter
@@ -1 +1,2 @@
-text/html: w3m -dump -o display_link_number=1 -I $PIPE_CHARSET -T text/html
\ No newline at end of file
+text/html: w3m -dump -o display_link_number=1 -I $PIPE_CHARSET -T text/html
+text/calendar: cat