diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f7cf75ffdff71be435cb80c02dc2ee3075c16845..313b76335030abfbe542f02a03753996e3c456fe 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,6 +2,7 @@ Python 3 POCL:
   script: |
     export PYOPENCL_TEST=portable:cpu
     export EXTRA_INSTALL="jax[cpu]"
+    export JAX_PLATFORMS=cpu
     curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/build-and-test-py-project.sh
     . ./build-and-test-py-project.sh
   tags: