diff --git a/Dockerfile b/Dockerfile
index d3211d3..be3cbe4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,6 +2,7 @@ FROM caleblloyd/phusion-baseimage-docker-15.04
 MAINTAINER Frank Denis
 ENV SERIAL 1
 
+ENV DEBIAN_FRONTEND noninteractive
 ENV BUILD_DEPS autoconf file gcc git libc-dev make pkg-config
 
 RUN set -x && \