diff --git a/dotfiles/gitconfig b/dotfiles/gitconfig
index 0a2a125..80f7743 100644
--- a/dotfiles/gitconfig
+++ b/dotfiles/gitconfig
@@ -19,6 +19,9 @@
 [difftool]
   prompt = false
 
+[difftool "difftastic"]
+  cmd = difft "$LOCAL" "$REMOTE"
+
 [alias]
   st = status
   last = log -1 HEAD