diff --git a/.pre-commit-hooks.yaml b/.pre-commit-hooks.yaml
index 037004a3c..48e9ddb9f 100644
--- a/.pre-commit-hooks.yaml
+++ b/.pre-commit-hooks.yaml
@@ -33,6 +33,7 @@
   entry: >-
     bash -eu -o pipefail -c
     "echo ARGS: \"$@\"; for f in $@; do
+      [[ \"$f\" =~ --* ]] && MDTOC_ARG=\"$f $MDTOC_ARG\" && continue;
       [ -f \"$f\" ] && markdown-toc -i $f;
     done"
   language: system