diff --git a/fish/.config/fish/functions/rfc.fish b/fish/.config/fish/functions/rfc.fish
index fd741b5..3628ab3 100644
--- a/fish/.config/fish/functions/rfc.fish
+++ b/fish/.config/fish/functions/rfc.fish
@@ -1,6 +1,6 @@
 function rfc --description 'Search for string in RFC documents and open'
   if test -e ~/rfc
-    rg --files-with-matches $argv ~/rfc | fzf | read -l result
+    rg --files-with-matches $argv ~/rfc | fzf --preview='less {}' | read -l result
     nvim -R $result
   end
 end