diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1ac95d35efd3a25ec1cdb550c0f02cc16e2b7f1c..a92597ab07ac1128dd8d36f79c3bc2b4e924b411 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -80,7 +80,7 @@ Python 2.7 with legacy PyOpenCL:
 
 CentOS binary:
   script:
-  - (cd build-helpers; make-linux-build-docker.sh --nodate)
+  - (cd build-helpers; ./make-linux-build-docker.sh --nodate)
   artifacts:
     paths:
     - build-helpers/loopy-centos6