diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b97826a76161411434ed312e513df03a2f0e4c29..64ced1df3aabedc1aa46e313bf4aaed72bcfd114 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,13 +1,15 @@
-"Python 2.7 AMD CPU (+special func)":
+"Python 2.7 AMD CPU (+GL and special func)":
   script:
   - export PY_EXE=python2.7
   - export PYOPENCL_TEST=amd:pu
   - export EXTRA_INSTALL="numpy mako scipy pyfmmlib"
+  - echo "CL_ENABLE_GL = True" > siteconf.py
   - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/build-and-test-py-project.sh
   - ". ./build-and-test-py-project.sh"
   tags:
   - python2.7
   - amd-cl-cpu
+  - opengl
   except:
   - tags
 Python 2.7 Intel CPU: