diff --git a/setup.sh b/setup.sh
index 029813ec..ac2d7e29 100755
--- a/setup.sh
+++ b/setup.sh
@@ -27,11 +27,12 @@ fi
 
 INFO=$($CRI ps \
   --no-trunc \
-  --format="{{.Image}} {{.Names}} {{.Command}}" | \
-  grep "supervisord -c /etc/supervisor/supervisord.conf")
+  --format "{{.Image}};{{.Names}}" \
+  --filter label=org.label-schema.name="docker-mailserver" | \
+  tail -1)
 
-IMAGE_NAME=$(echo $INFO | awk '{print $1}')
-CONTAINER_NAME=$(echo $INFO | awk '{print $2}')
+IMAGE_NAME=${INFO%;*}
+CONTAINER_NAME=${INFO#*;}
 DEFAULT_CONFIG_PATH="$(pwd)/config"
 USE_CONTAINER=false