diff --git a/base/lm32-tools:1.0 b/base/lm32-tools:1.0
index 2124d42f131f707643291ae2560751aadb7d79af..a1a5dd855ceec82c99f4aed7c096433dfc185965 100644
--- a/base/lm32-tools:1.0
+++ b/base/lm32-tools:1.0
@@ -1,9 +1,11 @@
 FROM centos:7.4.1708
 LABEL maintainer="afdiaz@ugr.es"
+
 RUN yum -y update && yum -y install epel-release
 RUN yum -y install wget gzip cmake3 make git svn ; yum clean all;
+ADD http://sftp.km3net.de/externals/lm32-toolchain.tar.gz  /tmp
 WORKDIR /opt
-RUN wget http://sftp.km3net.de/externals/lm32-toolchain.tar.gz -q -O /root/lm32-toolchain.tar.gz && \
-    tar xvf /root/lm32-toolchain.tar.gz
-RUN rm /root/lm32-toolchain.tar.gz
+RUN tar xvzf /tmp/lm32-toolchain.tar.gz
+RUN rm /tmp/lm32-toolchain.tar.gz
+WORKDIR /root
 ENV PATH "/opt/lm32/bin:$PATH"