diff --git a/.buildkite/pipeline.yaml b/.buildkite/pipeline.yaml
index 60964de469..ac05da02e3 100644
--- a/.buildkite/pipeline.yaml
+++ b/.buildkite/pipeline.yaml
@@ -24,6 +24,7 @@ steps:
     plugins:
       - docker#v3.0.1:
           image: "matrixdotorg/riotweb-ci-e2etests-env:latest"
+          propagate-environment: true
 
   - label: ":karma: Tests"
     agents: