diff --git a/tests/post.yml b/tests/post.yml
index c86dcfd949..206958701e 100644
--- a/tests/post.yml
+++ b/tests/post.yml
@@ -18,6 +18,7 @@
 
     - name: Run diagnostics script
       environment:
+        CONTAINER_ENGINE: "{{ container_engine }}"
         KOLLA_INTERNAL_VIP_ADDRESS: "{{ kolla_internal_vip_address }}"
       script: get_logs.sh
       register: get_logs_result