diff --git a/example/Makefile b/example/Makefile
index dce32ac..e109fda 100644
--- a/example/Makefile
+++ b/example/Makefile
@@ -1,7 +1,7 @@
 .PHONY: config
 
 config:
-	docker run -it rootbuilder make nconfig
+	docker run -it progrium/rootbuilder make nconfig
 	docker cp `docker ps -lq`:/tmp/buildroot/.config .
 	docker rm `docker ps -lq`
 	mv .config config