diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2785a4289bee5d5c6482e5f8e25653de960990ef..64348929af1a0084df0489bb308e1ae123361a6a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -270,6 +270,7 @@ FileLicenceCheck:
     BASE_PATH: "/opt/"
     SIMPATH: "$BASE_PATH/fairsoft/apr21p1"
     FAIRROOTPATH: "$BASE_PATH/fairroot/${FAIRROOT_VERSION}_${FAIRSOFT_VERSION}"
+    EXTRA_FLAGS: '"-DCBM_TEST_INSTALL=TRUE\" \"-DCMAKE_INSTALL_PREFIX=install"'
 
 .linux_tag: &linux_tag
   stage: build