diff --git a/base/singularity:2.5 b/base/singularity:2.5
index 8126eb8b7c901a6e469dcdacbb29b61cf26a1f78..9a944638006ac51b4eac9fc716ea8e1bf3303446 100644
--- a/base/singularity:2.5
+++ b/base/singularity:2.5
@@ -1,4 +1,5 @@
 FROM debian:stretch
+  MAINTAINER Tamas Gal <tgal@km3net.de>
 
   RUN apt-get update -qq && apt-get install -y wget bzip2 python-pip git
   RUN apt-get install -y build-essential squashfs-tools libtool autotools-dev libarchive-dev automake autoconf uuid-dev libssl-dev