diff --git a/bin/commitlint.sh b/bin/commitlint.sh
index 9bc13e6..b250e23 100755
--- a/bin/commitlint.sh
+++ b/bin/commitlint.sh
@@ -2,8 +2,10 @@
 
 ARGS="--config /work/commitlint.config.js"
 
-if [ "$1" == ".git/COMMIT_EDITMSG" ]; then
-  # Running from pre-commit hook.
+if [[ "$1" == *COMMIT_EDITMSG ]]; then
+  # Running from pre-commit hook. Git passes a relative path from the main
+  # checkout (.git/COMMIT_EDITMSG) and an absolute path from a worktree
+  # (.../.git/worktrees/<name>/COMMIT_EDITMSG).
   ARGS="$ARGS --edit $1"
 else
   # Use whatever args we were passed.