diff --git a/.github/workflows/regen-gh-pages.yml b/.github/workflows/regen-gh-pages.yml
index ac986130..36ff7fa8 100644
--- a/.github/workflows/regen-gh-pages.yml
+++ b/.github/workflows/regen-gh-pages.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
         with:
-          submodules: true  # Fetch Hugo themes (true OR recursive)
+          submodules: recursive  # Fetch Hugo themes (true OR recursive)
           fetch-depth: 0    # Fetch all history for .GitInfo and .Lastmod
 
       - name: Setup Hugo