diff --git a/base/km3sim:4.10.05 b/base/km3sim:4.10.05
index d52ea5f881a2e5b8831fc52318f658b6ef690f74..206863a95f717c840a714db25c97736497242b3e 100644
--- a/base/km3sim:4.10.05
+++ b/base/km3sim:4.10.05
@@ -29,7 +29,8 @@ FROM centos:7.4.1708
  RUN echo 'export PKG_CONFIG_PATH=/opt/rh/rh-python36/root/usr/lib64/pkgconfig' >> /etc/profile.d/python36.sh
  RUN source /etc/profile.d/python36.sh && pip install -U pip setuptools
 
-
+#Check cmake
+RUN which cmake && cmake --version
 # ROOT6
  RUN export ROOT_VERSION=6.14.06 && \
      source /etc/profile.d/python36.sh && \
@@ -38,7 +39,7 @@ FROM centos:7.4.1708
      tar xvzf root_v$ROOT_VERSION.source.tar.gz && \
      cd root-$ROOT_VERSION && \
      mkdir obj && \
-     cd obj && cmake3 .. && \
+     cd obj && cmake .. && \
      make && \
      cd .. && \
      mv obj /opt/root-$ROOT_VERSION && \