diff --git a/panter-kubernetes-base.yml b/panter-kubernetes-base.yml
index 67fc55b3fb49fefb92a3cb45f804b3cbf2bb0295..5c0d1c8b196741c87303f227a8160cb88e0f260a 100644
--- a/panter-kubernetes-base.yml
+++ b/panter-kubernetes-base.yml
@@ -37,7 +37,7 @@ variables:
   # until we have it in the runner
   FF_USE_LEGACY_KUBERNETES_EXECUTION_STRATEGY: 0
   FF_GITLAB_REGISTRY_HELPER_IMAGE: 1
-  FF_FASTZIP: "true" # see https://gitlab.com/gitlab-org/gitlab-runner/-/issues/1797#note_475759488
+  FF_FASTZIP: 1 # see https://gitlab.com/gitlab-org/gitlab-runner/-/issues/1797#note_475759488
 
 image: panterch/docker-ci-kubernetes-deploy