diff --git a/lib/ash/type/ci_string.ex b/lib/ash/type/ci_string.ex
index 742733ac..d3bcc8e3 100644
--- a/lib/ash/type/ci_string.ex
+++ b/lib/ash/type/ci_string.ex
@@ -51,7 +51,7 @@ defmodule Ash.Type.CiString do
   use Ash.Type
 
   @impl true
-  def storage_type(_), do: :string
+  def storage_type(_), do: :ci_string
 
   @impl true
   def constraints, do: @constraints