diff --git a/nginx-envtpl/entrypoint.sh b/nginx-envtpl/entrypoint.sh
index 37fb80d..c79ec09 100755
--- a/nginx-envtpl/entrypoint.sh
+++ b/nginx-envtpl/entrypoint.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 if [[ ! -z $NGINX_CONFIG_TEMPLATE ]]; then
-  envtpl < $NGINX_CONFIG_TEMPLATE > /etc/nginx/nginx.conf
+  echo $NGINX_CONFIG_TEMPLATE | envtpl > /etc/nginx/nginx.conf
 else
   envtpl /etc/nginx/nginx.conf.tpl
 fi