diff --git a/.mokogitea/workflows/pr-check.yml b/.mokogitea/workflows/pr-check.yml
index 3dd7540..4d78d7a 100644
--- a/.mokogitea/workflows/pr-check.yml
+++ b/.mokogitea/workflows/pr-check.yml
@@ -256,6 +256,13 @@ jobs:
               for ELEMENT in name version description; do
                 grep -q "<${ELEMENT}>" "$MANIFEST" || { echo "::error::Missing <${ELEMENT}> in manifest"; exit 1; }
               done
+              # Block legacy raw/branch update server URLs on MokoGitea
+              RAW_URLS=$(grep -n 'raw/branch' "$MANIFEST" | grep -i 'mokoconsulting\|mokogitea\|git\.mokoconsulting\.tech' || true)
+              if [ -n "$RAW_URLS" ]; then
+                echo "::error::Manifest contains legacy raw/branch update server URL on MokoGitea. Use the Gitea Pages URL instead (e.g. /{REPO}/updates.xml not /{REPO}/raw/branch/main/updates.xml)"
+                echo "$RAW_URLS"
+                exit 1
+              fi
               echo "Joomla manifest valid"
               ;;
             dolibarr)