diff --git a/lib/ash/embeddable_type.ex b/lib/ash/embeddable_type.ex
index cf255037..6d186b9f 100644
--- a/lib/ash/embeddable_type.ex
+++ b/lib/ash/embeddable_type.ex
@@ -744,21 +744,28 @@ defmodule Ash.EmbeddableType do
           |> if do
             :ok
           else
-            {:not_atomic,
-             """
-             Embedded attributes do not support atomic updates unless one of the following is true:
-
-             - it has no primary key
-             - `constraints[:on_update]` is set to `:replace`
-
-             Or all of the following are true:
-
-             - the update action accepts all public attributes and has no changes
-             - there are no changes or validations on the action
-             - there are no notifiers, or relationships defined on the resource             """}
-             """
+            :error
           end
         else
+          :error
+        end
+        |> case do
+          :ok ->
+            :ok
+          :error ->
+            {:not_atomic,
+            """
+            Embedded attributes do not support atomic updates unless one of the following is true:
+
+            - it has no primary key
+            - `constraints[:on_update]` is set to `:replace`
+
+            Or all of the following are true:
+
+            - the update action accepts all public attributes and has no changes
+            - there are no changes or validations on the action
+            - there are no notifiers, or relationships defined on the resource             """}
+            """}
         end
       end