diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6650c25cee429b0eac84d294feb989a88b129f2a..dbce6fe32d54fcd3d82ac9ae5f41d7f36b22661a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -62,6 +62,7 @@ build:centos6.6:
              -DTIFF_INCLUDE_DIR=$EBROOTLIBTIFF/include
              -DTIFF_LIBRARY=$EBROOTLIBTIFF/lib/libtiff.so
              -DOPTIMIZE=1
+  - make
   - echo "... done building on CentOS 6."
 
 # TESTS STAGE