diff --git a/deployment/haproxy/haproxy-public-tls-inject.yaml b/deployment/haproxy/haproxy-public-tls-inject.yaml
index d01f2ca504..afd5703184 100644
--- a/deployment/haproxy/haproxy-public-tls-inject.yaml
+++ b/deployment/haproxy/haproxy-public-tls-inject.yaml
@@ -177,6 +177,7 @@ outputs:
               block:
                 - name: copy certificate, chgrp, restart haproxy
                   shell: |
+                    set -e
                     {{ container_cli }} cp {{ cert_path }} {{ item }}:{{ cert_path }}
                     {{ container_cli }} exec --user root {{ item }} chgrp haproxy {{ cert_path }}
                     {{ container_cli }} kill --signal=HUP {{ item }}