diff --git a/octave/Dockerfile b/octave/Dockerfile
index 6b414be..71f5828 100644
--- a/octave/Dockerfile
+++ b/octave/Dockerfile
@@ -1,6 +1,8 @@
 FROM debian:wheezy
 MAINTAINER Johannes Schickling "schickling.j@gmail.com"
 
+ENV DEBIAN_FRONTEND noninteractive
+
 ADD install.sh install.sh
 RUN chmod +x install.sh && ./install.sh && rm install.sh
 
diff --git a/octave/install.sh b/octave/install.sh
index a7b9e36..c46a114 100644
--- a/octave/install.sh
+++ b/octave/install.sh
@@ -3,8 +3,8 @@
 # exit if a command fails
 set -e
 
-# install octave 3.6.2
-apt-get update && apt-get install -y octave
+# install octave 3.6.2 (less needed as frontend)
+apt-get update && apt-get install -y octave less
 
 # cleanup package manager
 apt-get autoclean && apt-get clean