diff --git a/.github/workflows/format_external_links.yml b/.github/workflows/format_external_links.yml
index f64ade64..d95a94dd 100644
--- a/.github/workflows/format_external_links.yml
+++ b/.github/workflows/format_external_links.yml
@@ -5,6 +5,7 @@ on:
     branches-ignore:
     # We don't want code modified after merge in master
     - main
+    - master
     paths:
     # Run action if any Markdown file is pushed
     - '**.md'