diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 592b11f33fcb113beb8180d0ab9d8a16170b5e59..7c5af26c9bd1ba027fb6541bd70d441f1d335066 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,7 +2,7 @@ image: omalaspinas/c_pandoc:latest
 
 variables:
   GIT_SUBMODULE_STRATEGY: recursive
-  GIT_SSL_NO_VERIFY: true
+  GIT_SSL_NO_VERIFY: 'true'
 
 before_script:
    ##