diff --git a/lib/uplink/packages/instance/upgrade.ex b/lib/uplink/packages/instance/upgrade.ex
index 6b41b8ed..8adf40e5 100644
--- a/lib/uplink/packages/instance/upgrade.ex
+++ b/lib/uplink/packages/instance/upgrade.ex
@@ -222,6 +222,9 @@ defmodule Uplink.Packages.Instance.Upgrade do
     |> Oban.insert()
   end
 
+  defp handle_update_config(client, _instance, %Metadata{package_size: nil}),
+    do: client
+
   defp handle_update_config(client, instance, metadata) do
     profile_name = Packages.profile_name(metadata)
     size_profile_name = Packages.get_or_create_size_profile(client, metadata)
diff --git a/test/fixtures/lxd/instances/update.json b/test/fixtures/lxd/instances/update.json
new file mode 100644
index 00000000..3be5f682
--- /dev/null
+++ b/test/fixtures/lxd/instances/update.json
@@ -0,0 +1,5 @@
+{
+  "status": "Success",
+  "status_code": 200,
+  "type": "sync"
+}
\ No newline at end of file
diff --git a/test/uplink/packages/instance/upgrade_test.exs b/test/uplink/packages/instance/upgrade_test.exs
index f8b2d14e..1fb82e8f 100644
--- a/test/uplink/packages/instance/upgrade_test.exs
+++ b/test/uplink/packages/instance/upgrade_test.exs
@@ -783,6 +783,8 @@ defmodule Uplink.Packages.Instance.UpgradeTest do
   }
 
   describe "upgrade instance with size profile" do
+    setup [:setup_base_with_package_size]
+
     setup %{app: app, metadata: metadata} do
       {:ok, first_deployment} =
         Packages.get_or_create_deployment(app, @first_deployment)
@@ -871,6 +873,19 @@ defmodule Uplink.Packages.Instance.UpgradeTest do
         end
       )
 
+      update_instance = File.read!("test/fixtures/lxd/instances/update.json")
+
+      Bypass.expect_once(
+        bypass,
+        "PATCH",
+        "/1.0/instances/#{instance_slug}",
+        fn conn ->
+          conn
+          |> Plug.Conn.put_resp_header("content-type", "application/json")
+          |> Plug.Conn.resp(200, update_instance)
+        end
+      )
+
       Bypass.expect_once(
         bypass,
         "POST",