diff --git a/manual-install/update-yaml.sh b/manual-install/update-yaml.sh
index 4589ce23..4cccac2a 100644
--- a/manual-install/update-yaml.sh
+++ b/manual-install/update-yaml.sh
@@ -18,7 +18,7 @@ echo "$OUTPUT" | yq -P > ./manual-install/containers.yml
 cd manual-install || exit
 sed -i "s|'||g" containers.yml
 sed -i 's|production:|services:|' containers.yml
-sed -i '/displayName:/d' containers.yml
+sed -i '/display_name:/d' containers.yml
 sed -i '/stop_grace_period:/s/$/s/' containers.yml
 sed -i '/: \[\]/d' containers.yml
 sed -i 's|- name: |- |' containers.yml
diff --git a/php/containers-schema.json b/php/containers-schema.json
index 34e5f817..e654eef0 100644
--- a/php/containers-schema.json
+++ b/php/containers-schema.json
@@ -20,7 +20,7 @@
 							"type": "string"
 						}
 					},
-					"displayName": {
+					"display_name": {
 						"type": "string"
 					},
 					"environment": {
diff --git a/php/containers.json b/php/containers.json
index a2cfa57b..2e7a9d75 100644
--- a/php/containers.json
+++ b/php/containers.json
@@ -8,7 +8,7 @@
         "nextcloud-aio-talk",
         "nextcloud-aio-nextcloud"
       ],
-      "displayName": "Apache",
+      "display_name": "Apache",
       "image": "nextcloud/aio-apache",
       "ports": [
         "%APACHE_PORT%/tcp"
@@ -46,7 +46,7 @@
     {
       "container_name": "nextcloud-aio-database",
       "depends_on": [],
-      "displayName": "Database",
+      "display_name": "Database",
       "image": "nextcloud/aio-postgresql",
       "ports": [],
       "internalPorts": [
@@ -86,7 +86,7 @@
         "nextcloud-aio-fulltextsearch",
         "nextcloud-aio-imaginary"
       ],
-      "displayName": "Nextcloud",
+      "display_name": "Nextcloud",
       "image": "nextcloud/aio-nextcloud",
       "ports": [],
       "internalPorts": [
@@ -168,7 +168,7 @@
     {
       "container_name": "nextcloud-aio-redis",
       "depends_on": [],
-      "displayName": "Redis",
+      "display_name": "Redis",
       "image": "nextcloud/aio-redis",
       "ports": [],
       "internalPorts": [
@@ -195,7 +195,7 @@
     {
       "container_name": "nextcloud-aio-collabora",
       "depends_on": [],
-      "displayName": "Collabora",
+      "display_name": "Collabora",
       "image": "nextcloud/aio-collabora",
       "ports": [],
       "internalPorts": [
@@ -221,7 +221,7 @@
     {
       "container_name": "nextcloud-aio-talk",
       "depends_on": [],
-      "displayName": "Talk",
+      "display_name": "Talk",
       "image": "nextcloud/aio-talk",
       "ports": [
         "%TALK_PORT%/tcp",
@@ -250,7 +250,7 @@
     {
       "container_name": "nextcloud-aio-borgbackup",
       "depends_on": [],
-      "displayName": "Borgbackup",
+      "display_name": "Borgbackup",
       "image": "nextcloud/aio-borgbackup",
       "ports": [],
       "internalPorts": [],
@@ -323,7 +323,7 @@
     {
       "container_name": "nextcloud-aio-watchtower",
       "depends_on": [],
-      "displayName": "Watchtower",
+      "display_name": "Watchtower",
       "image": "nextcloud/aio-watchtower",
       "ports": [],
       "internalPorts": [],
@@ -344,7 +344,7 @@
     {
       "depends_on": [],
       "container_name": "nextcloud-aio-domaincheck",
-      "displayName": "Domaincheck",
+      "display_name": "Domaincheck",
       "image": "nextcloud/aio-domaincheck",
       "ports": [
         "%APACHE_PORT%/tcp"
@@ -364,7 +364,7 @@
     {
       "container_name": "nextcloud-aio-clamav",
       "depends_on": [],
-      "displayName": "ClamAV",
+      "display_name": "ClamAV",
       "image": "nextcloud/aio-clamav",
       "ports": [],
       "internalPorts": [
@@ -388,7 +388,7 @@
     {
       "container_name": "nextcloud-aio-onlyoffice",
       "depends_on": [],
-      "displayName": "OnlyOffice",
+      "display_name": "OnlyOffice",
       "image": "nextcloud/aio-onlyoffice",
       "ports": [],
       "internalPorts": [
@@ -416,7 +416,7 @@
     {
       "container_name": "nextcloud-aio-imaginary",
       "depends_on": [],
-      "displayName": "Imaginary",
+      "display_name": "Imaginary",
       "image": "nextcloud/aio-imaginary",
       "ports": [],
       "internalPorts": [
@@ -433,7 +433,7 @@
     {
       "container_name": "nextcloud-aio-fulltextsearch",
       "depends_on": [],
-      "displayName": "Fulltextsearch",
+      "display_name": "Fulltextsearch",
       "image": "nextcloud/aio-fulltextsearch",
       "ports": [],
       "internalPorts": [
diff --git a/php/src/ContainerDefinitionFetcher.php b/php/src/ContainerDefinitionFetcher.php
index 60088f42..2adce34b 100644
--- a/php/src/ContainerDefinitionFetcher.php
+++ b/php/src/ContainerDefinitionFetcher.php
@@ -178,7 +178,7 @@ class ContainerDefinitionFetcher
 
             $containers[] = new Container(
                 $entry['container_name'],
-                $entry['displayName'],
+                $entry['display_name'],
                 $entry['image'],
                 $entry['restart'],
                 $entry['stop_grace_period'],