diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1662fa61b8cbc43228fac097dbf36891ddce5248..ea6dc7fda3a86b6cac6ba395e4c4ab860bf80689 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,6 +3,7 @@ makefile_generation_and_compilation_plus_run_nrt_tests_cluster:
     script: 
         - source /etc/profile.d/gensoft_modules.sh 
         - module load gcc/7.2.0
+        - module load m4/1.4.17
         - ./configure
         - make; cd src
         - ./unit_test_fqreader