diff --git a/.config/jj/config.toml b/.config/jj/config.toml
index 6ecdb8a6..e219af53 100644
--- a/.config/jj/config.toml
+++ b/.config/jj/config.toml
@@ -2,8 +2,8 @@
name = "Alpha Chen"
email = "alpha@kejadlen.dev"
-[ui]
-diff-editor = ",jj-dirdiff"
+[merge-tools.dirdiff]
+program = ",jj-dirdiff"
[diff.color-words]
max-inline-alternation = 0