diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a128a49630404fc1deda5f61c0ec41debd3a0082..f1deb298cfb7f71c9784ec16d8b1fef0d6d6e99b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -11,7 +11,6 @@ stages:
 before_script:
   - echo "Running global 'before_script'..."
   - yum -y -q -e 0 install tcl
-  - yum -y -q -e 0 install make
   - mkdir -p /scicore/soft/modules
   - ln -s /export/soft/apps/centos6/generic /scicore/soft/apps
   - ln -s /export/soft/modules/centos6/generic/all /scicore/soft/modules
@@ -35,6 +34,7 @@ build:centos6.6:
   image: centos:6.6
   script:
   - echo "Building on CentOS 6..."
+  - /scicore/soft/apps/GCC/4.7.2/bin/c++
   - cmake .. -DENABLE_MM=1
              -DOPEN_MM_LIBRARY=$EBROOTOPENMM/lib/libOpenMM.so
              -DOPEN_MM_PLUGIN_DIR=$EBROOTOPENMM/lib/plugins