diff --git a/Makefile b/Makefile
index 854ad00e..9681dfb2 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ help:
 
 # antora.build: @ Builds documentation production output (to build/site)
 antora.build:
-	docker compose run -u $$(id -u) antora antora --generator antora/lunr-extension --clean antora-playbook.yml
+	docker compose run -u $$(id -u) antora antora --generator @antora/lunr-extension --clean antora-playbook.yml
 #	docker compose run -u $$(id -u) antora antora --generator antora-site-generator-lunr --clean antora-playbook.yml
 #	docker-compose run -u $$(id -u) antora antora generate --clean antora-playbook.yml