diff --git a/.ci/end2end.groovy b/.ci/end2end.groovy
index ed642f22cfeb4..97099c6f87448 100644
--- a/.ci/end2end.groovy
+++ b/.ci/end2end.groovy
@@ -14,6 +14,7 @@ pipeline {
     HOME = "${env.WORKSPACE}"
     E2E_DIR = 'x-pack/plugins/apm/e2e'
     PIPELINE_LOG_LEVEL = 'DEBUG'
+    KBN_OPTIMIZER_THEMES = 'v7light'
   }
   options {
     timeout(time: 1, unit: 'HOURS')