diff --git a/1.21/Dockerfile b/1.21/Dockerfile
index 3d2b931..11c2129 100644
--- a/1.21/Dockerfile
+++ b/1.21/Dockerfile
@@ -138,7 +138,7 @@ RUN sed -i 's,listen       80;,listen       8080;,' /etc/nginx/conf.d/default.co
 
 USER $UID
 
-COPY docker-entrypoint.sh /
+COPY docker-entrypoint.sh /docker-entrypoint.sh
 COPY 10-listen-on-ipv6-by-default.sh /docker-entrypoint.d
 COPY 20-envsubst-on-templates.sh /docker-entrypoint.d
 COPY 30-tune-worker-processes.sh /docker-entrypoint.d