diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a99429edd..8fae30ae9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,5 @@
 before_script:
-  - [[ -d ../ThirdParty-4.x ]] || git clone https://github.com/OpenFOAM/ThirdParty-4.x.git ../ThirdParty-4.x
+  - "[[ -d ../ThirdParty-4.x ]] || git clone https://github.com/OpenFOAM/ThirdParty-4.x.git ../ThirdParty-4.x"
   - source etc/bashrc
   - rm -rf platforms
   - wclean all