diff --git a/Containers/mastercontainer/start.sh b/Containers/mastercontainer/start.sh
index fbcf7c72..6a13488f 100644
--- a/Containers/mastercontainer/start.sh
+++ b/Containers/mastercontainer/start.sh
@@ -77,11 +77,11 @@ elif echo "$STORAGE_DRIVER" | grep -q fuse-overlayfs; then
 fi
 
 # Check if startup command was executed correctly
-if ! sudo -u www-data docker ps | grep -q "nextcloud-aio-mastercontainer"; then
+if ! sudo -u www-data docker ps --format "{{.Name}}" | grep -q "^nextcloud-aio-mastercontainer$"; then
     echo "It seems like you did not give the mastercontainer the correct name?
 Using a different name is not supported!"
     exit 1
-elif ! sudo -u www-data docker volume ls | grep -q "nextcloud_aio_mastercontainer"; then
+elif ! sudo -u www-data docker volume ls --format "{{.Name}}" | grep -q "^nextcloud_aio_mastercontainer$"; then
     echo "It seems like you did not give the mastercontainer volume the correct name?
 Using a different name is not supported!"
     exit 1