diff --git a/global/overlay/etc/puppet/modules/soc/templates/runner/docker-compose.yml.erb b/global/overlay/etc/puppet/modules/soc/templates/runner/docker-compose.yml.erb
index 8fcdc31..51162e1 100644
--- a/global/overlay/etc/puppet/modules/soc/templates/runner/docker-compose.yml.erb
+++ b/global/overlay/etc/puppet/modules/soc/templates/runner/docker-compose.yml.erb
@@ -54,7 +54,7 @@ services:
       - /opt/forgejo-runner/docker_certs:/certs
     command: >-
       bash -ec '
-      if ! grep "--mount type=bind,source=/certs/client,target=/certs/client,readonly" config.yml > /dev/null; then
+      if ! grep -e "--mount type=bind,source=/certs/client,target=/certs/client,readonly" config.yml > /dev/null; then
         sed -i "\|options:| a \ \ \ \ --mount type=bind,source=/certs/client,target=/certs/client,readonly" config.yml ;
       fi ;
       forgejo-runner --config config.yml daemon ;