diff --git a/inventory b/inventory
index 7071012b..80959034 100644
--- a/inventory
+++ b/inventory
@@ -12,7 +12,7 @@ all:
       hosts:
         fileserver2.grote.lan:
         fileserver-test.grote.lan:
-    dns:
+    pihole:
       hosts:
         pihole2-test.grote.lan:
         pihole2.grote.lan:
@@ -28,9 +28,6 @@ all:
       hosts:
         docker.grote.lan:
         docker-test.grote.lan:
-    testeinzeln:
-      hosts:
-        vm-test.grote.lan:
     proxmox:
       hosts:
         pve2-test.grote.lan:
@@ -39,21 +36,22 @@ all:
         pve2.grote.lan:
         pve3.grote.lan:
         pve4.grote.lan:
-    proxmoxprod:
-      hosts:
-        pve2.grote.lan:
-        pve3.grote.lan:
-        pve4.grote.lan:
+      children:
+        proxmoxprod:
+          hosts:
+            pve2.grote.lan:
+            pve3.grote.lan:
+            pve4.grote.lan:
+        proxmoxtest:
+          hosts:
+            pve2-test.grote.lan:
+            pve3-test.grote.lan:
+            pve4-test.grote.lan:
     physical:
       hosts:
         pve2.grote.lan:
         pve3.grote.lan:
         pve4.grote.lan:
-    proxmoxtest:
-      hosts:
-        pve2-test.grote.lan:
-        pve3-test.grote.lan:
-        pve4-test.grote.lan:
     gitea:
       hosts:
         gitea-test.grote.lan: