diff --git a/wireshark/Dockerfile b/wireshark/Dockerfile
index fb90f2d..dcbf817 100644
--- a/wireshark/Dockerfile
+++ b/wireshark/Dockerfile
@@ -10,6 +10,7 @@
 FROM ubuntu:16.04
 MAINTAINER Jessie Frazelle <jess@linux.com>
 
+ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update && apt-get install -y \
 	software-properties-common \
 	--no-install-recommends && \