diff --git a/.github/workflows/deploy_microsite.yml b/.github/workflows/deploy_microsite.yml
index ea9b6c2e06..ea0a433fe0 100644
--- a/.github/workflows/deploy_microsite.yml
+++ b/.github/workflows/deploy_microsite.yml
@@ -235,7 +235,7 @@ jobs:
         run: rm -r docs/reference
 
       - name: clear OpenAPI reference
-        run: find . -name '*.api.mdx' -delete
+        run: find . -name '*.api.mdx' -type f -delete
 
       # Next docs
       - name: checkout master