diff --git a/proxmoxtf/resource/container/container.go b/proxmoxtf/resource/container/container.go
index d54fe07a..3b675d21 100644
--- a/proxmoxtf/resource/container/container.go
+++ b/proxmoxtf/resource/container/container.go
@@ -523,7 +523,7 @@ func Container() *schema.Resource {
 									},
 								},
 							},
-							MaxItems: 8,
+							MaxItems: maxNetworkInterfaces,
 							MinItems: 0,
 						},
 						mkInitializationUserAccount: {