diff --git a/src/ResourceManagement/ContainerInstance/ContainerGroupImpl.cs b/src/ResourceManagement/ContainerInstance/ContainerGroupImpl.cs
index 05f0d2873..a5cb42ea9 100644
--- a/src/ResourceManagement/ContainerInstance/ContainerGroupImpl.cs
+++ b/src/ResourceManagement/ContainerInstance/ContainerGroupImpl.cs
@@ -612,11 +612,10 @@ public IDnsConfigFork WithNetworkProfileId(string subscriptionId, string resourc
             ContainerGroupNetworkProfile containerGroupNetworkProfile = new ContainerGroupNetworkProfile();
             containerGroupNetworkProfile.Id = networkProfileId;
             this.Inner.NetworkProfile = containerGroupNetworkProfile;
-            if (this.Inner.IpAddress == null)
+            if (this.Inner.IpAddress != null)
             {
-                this.Inner.IpAddress = new IpAddress();
+                this.Inner.IpAddress.Type = ContainerGroupIpAddressType.Private.ToString();
             }
-            this.Inner.IpAddress.Type = ContainerGroupIpAddressType.Private.ToString();
             return this;
         }