diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index eabe9fcc769aa51ab8c9ce82a74a0f7bf9f4e69e..36f73b97063bf94ea2b4d4eb6ae2258e83f4572b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,4 +4,4 @@ slc6-gcc48:
   image: clicdp/slc6-base
   script:
     - cd /cvmfs/sft.cern.ch/lcg/releases/LCG_84/ROOT/6.06.02/x86_64-slc6-gcc48-opt/bin
-    - . ./thisroot.sh
+    - ./thisroot.sh