diff --git a/nginx-envtpl/Dockerfile b/nginx-envtpl/Dockerfile
index 2bdd9eb..0ea2725 100644
--- a/nginx-envtpl/Dockerfile
+++ b/nginx-envtpl/Dockerfile
@@ -11,7 +11,7 @@ RUN apt-get update \
             python-setuptools \
 	&& rm -rf /var/lib/apt/lists/*
 
-RUN pip install envtpl
+RUN pip2 install envtpl
 
 COPY entrypoint.sh /