diff --git a/base/data_processing:1 b/base/data_processing:1
index f27a24f382f679ac152fd8a81b0c19007f3ea3d3..7b35ae12bb90356a9791f9166ca75be0358476ee 100644
--- a/base/data_processing:1
+++ b/base/data_processing:1
@@ -2,5 +2,6 @@ FROM docker.km3net.de/base/singularity-py3:3.5.3
   MAINTAINER Vladimir Kulikovskiy <vkulikovskiy@km3net.de>
 
         RUN echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections
+        RUN apt-get install -qq -y bc
         RUN apt-get install -qq -y apt-utils
 	RUN zsh -c 'apt-get install -qq -y environment-modules'