diff --git a/src/actions/promocode-actions.js b/src/actions/promocode-actions.js
index efd0f23a0..6cc3463c0 100644
--- a/src/actions/promocode-actions.js
+++ b/src/actions/promocode-actions.js
@@ -147,6 +147,12 @@ const normalizeEntity = (entity) => {
     normalizedEntity.tags = entity.tags.map((e) => e.tag);
   }
 
+  if (Array.isArray(entity.allowed_ticket_types)) {
+    normalizedEntity.allowed_ticket_types = entity.allowed_ticket_types.map(
+      (tt) => (typeof tt === "object" && tt !== null ? tt.id : tt)
+    );
+  }
+
   delete normalizedEntity.owner;
   delete normalizedEntity.owner_id;
   delete normalizedEntity.speaker;
diff --git a/src/components/forms/promocode-form/__tests__/promocode-form.integration.test.js b/src/components/forms/promocode-form/__tests__/promocode-form.integration.test.js
index 6e88578eb..98c331f70 100644
--- a/src/components/forms/promocode-form/__tests__/promocode-form.integration.test.js
+++ b/src/components/forms/promocode-form/__tests__/promocode-form.integration.test.js
@@ -600,3 +600,37 @@ describe("regression — non-DomainAuthorized classes are unaffected by the layo
     }
   );
 });
+
+describe("regression — handleSubmit must not dehydrate allowed_ticket_types", () => {
+  // Reproduces the "Ticket Types reverts to undefined" bug (Jam
+  // b1566c62-c802-4f43-b093-9c5c2f5a5fde, ClickUp 86b9v01bt). Pre-fix,
+  // handleSubmit mutated state.entity.allowed_ticket_types from [{id, name}]
+  // to [id]; on a 412, the form re-rendered with raw IDs, and the
+  // openstack-uicore TicketTypesInput's getOptionLabel = `${e.name}` produced
+  // the literal string "undefined" for each chip. The action layer
+  // (normalizeEntity in promocode-actions.js) is responsible for the
+  // hydrated → API-shape conversion; the form must hand off untouched
+  // option objects.
+  it("passes onSubmit an entity whose allowed_ticket_types retain {id,name} objects", () => {
+    const onSubmit = jest.fn();
+    const ticketType = { id: 197, name: "Early Access Members" };
+    renderForm(
+      baseEntity({
+        class_name: "DOMAIN_AUTHORIZED_PROMO_CODE",
+        allowed_email_domains: ["@valid.com"],
+        allowed_ticket_types: [ticketType]
+      }),
+      { onSubmit }
+    );
+
+    fireEvent.click(screen.getByRole("button", { name: /save/i }));
+
+    expect(onSubmit).toHaveBeenCalledTimes(1);
+    const submittedEntity = onSubmit.mock.calls[0][0];
+    expect(submittedEntity.allowed_ticket_types).toEqual([ticketType]);
+    expect(submittedEntity.allowed_ticket_types[0]).toMatchObject({
+      id: 197,
+      name: "Early Access Members"
+    });
+  });
+});
diff --git a/src/components/forms/promocode-form/index.js b/src/components/forms/promocode-form/index.js
index 5cfb908ea..ba292222a 100644
--- a/src/components/forms/promocode-form/index.js
+++ b/src/components/forms/promocode-form/index.js
@@ -141,12 +141,6 @@ class PromocodeForm extends React.Component {
     const { entity } = this.state;
     const typeScope = this.fragmentParser.getParam("type");
 
-    if (entity.allowed_ticket_types.length > 0) {
-      entity.allowed_ticket_types = entity.allowed_ticket_types.map(
-        (tt) => tt.id
-      );
-    }
-
     if (this.validate()) {
       onSubmit(entity, typeScope === "sponsor");
     }