diff --git a/lib/membership/custom_field.ex b/lib/membership/custom_field.ex
index a1f564e..411e95d 100644
--- a/lib/membership/custom_field.ex
+++ b/lib/membership/custom_field.ex
@@ -75,9 +75,7 @@ defmodule Mv.Membership.CustomField do
 
       validate fn changeset, _context ->
         if Ash.Changeset.changing_attribute?(changeset, :value_type) do
-          {:error,
-           field: :value_type,
-           message: "cannot be changed after creation"}
+          {:error, field: :value_type, message: "cannot be changed after creation"}
         else
           :ok
         end
diff --git a/lib/mv_web/live/custom_field_live/form_component.ex b/lib/mv_web/live/custom_field_live/form_component.ex
index 9f61ba3..f89f767 100644
--- a/lib/mv_web/live/custom_field_live/form_component.ex
+++ b/lib/mv_web/live/custom_field_live/form_component.ex
@@ -45,19 +45,33 @@ defmodule MvWeb.CustomFieldLive.FormComponent do
           <.input field={@form[:name]} type="text" label={gettext("Name")} />
 
           <%= if @custom_field do %>
-            <%!-- Show value_type as read-only text when editing --%>
-            <div class="form-control">
-              <label class="label">
-                <span class="label-text">{gettext("Value type")}</span>
-              </label>
-              <div class="input input-bordered bg-base-200 text-base-content/70">
-                {MvWeb.Translations.FieldTypes.label(@custom_field.value_type)}
-              </div>
-              <label class="label">
-                <span class="label-text-alt text-base-content/70">
-                  {gettext("Value type cannot be changed after creation")}
-                </span>
-              </label>
+            <%!-- Show value_type as read-only input when editing (matches Member Field pattern) --%>
+            <div
+              class="tooltip tooltip-right"
+              data-tip={gettext("Value type cannot be changed after creation")}
+              aria-label={gettext("Value type cannot be changed after creation")}
+            >
+              <fieldset class="mb-2 fieldset">
+                <label>
+                  <span class="mb-1 label flex items-center gap-2">
+                    {gettext("Value type")}
+                    <.icon
+                      name="hero-information-circle"
+                      class="w-4 h-4 text-base-content/60 cursor-help"
+                      aria-hidden="true"
+                    />
+                  </span>
+                  <input
+                    type="text"
+                    name={@form[:value_type].name}
+                    id={@form[:value_type].id}
+                    value={MvWeb.Translations.FieldTypes.label(@custom_field.value_type)}
+                    disabled
+                    readonly
+                    class="w-full input"
+                  />
+                </label>
+              </fieldset>
             </div>
           <% else %>
             <%!-- Show value_type as select when creating --%>