diff --git a/discourse-release/announce.sh b/discourse-release/announce.sh
index 41ffc89..701022f 100755
--- a/discourse-release/announce.sh
+++ b/discourse-release/announce.sh
@@ -57,7 +57,9 @@ case "$status" in
     url="$FORUM/t/$(jq -r '.topic_slug' <<<"$body")/$(jq -r '.topic_id' <<<"$body")"
     echo "announced: $url" ;;
   422)
-    if jq -e '.errors | tostring | test("External ID"; "i")' <<<"$body" >/dev/null; then
+    # Discourse words this "External has already been taken" (older versions:
+    # "External ID ..."); a racing run can also hit the title check first.
+    if jq -e '.errors | tostring | test("External( ID| has already been taken)|title has already been used"; "i")' <<<"$body" >/dev/null; then
       echo "already announced (external_id $external_id); nothing to do"
       exit 0
     fi