diff --git a/hack/jenkins/e2e.sh b/hack/jenkins/e2e.sh
index 0694be35fba..ff677919833 100755
--- a/hack/jenkins/e2e.sh
+++ b/hack/jenkins/e2e.sh
@@ -254,6 +254,7 @@ case ${JOB_NAME} in
           ${GCE_PARALLEL_SKIP_TESTS[@]:+${GCE_PARALLEL_SKIP_TESTS[@]}} \
           ${GCE_FLAKY_TESTS[@]:+${GCE_FLAKY_TESTS[@]}} \
           ${GCE_PARALLEL_FLAKY_TESTS[@]:+${GCE_PARALLEL_FLAKY_TESTS[@]}} \
+          ${GCE_SLOW_TESTS[@]:+${GCE_SLOW_TESTS[@]}} \
           )"}
     : ${KUBE_GCE_INSTANCE_PREFIX:="pull-e2e-${EXECUTOR_NUMBER}"}
     : ${KUBE_GCS_STAGING_PATH_SUFFIX:="-${EXECUTOR_NUMBER}"}
@@ -272,6 +273,7 @@ case ${JOB_NAME} in
           ${GCE_PARALLEL_SKIP_TESTS[@]:+${GCE_PARALLEL_SKIP_TESTS[@]}} \
           ${GCE_FLAKY_TESTS[@]:+${GCE_FLAKY_TESTS[@]}} \
           ${GCE_PARALLEL_FLAKY_TESTS[@]:+${GCE_PARALLEL_FLAKY_TESTS[@]}} \
+          ${GCE_SLOW_TESTS[@]:+${GCE_SLOW_TESTS[@]}} \
           )"}
     : ${KUBE_GCE_INSTANCE_PREFIX:="e2e-test-parallel"}
     : ${PROJECT:="kubernetes-jenkins"}