diff --git a/muttrc b/muttrc
index 54350ac..95f8cef 100644
--- a/muttrc
+++ b/muttrc
@@ -43,6 +43,9 @@ bind index,pager R group-reply
 macro index,pager S '<sync-mailbox>
 macro index,pager \Cu |urlview\n
 
+# View attachments properly.
+bind attach <return> view-mailcap
+
 #Ctrl-R to mark all as read
 macro index \Cr "T~U<enter><tag-prefix><clear-flag>N<untag-pattern>.<enter>" "mark all messages as read"