diff --git a/apps/api/v2/src/ee/event-types/event-types_2024_06_14/services/input-event-types.service.ts b/apps/api/v2/src/ee/event-types/event-types_2024_06_14/services/input-event-types.service.ts
index e6653e3656..a3c79e68bb 100644
--- a/apps/api/v2/src/ee/event-types/event-types_2024_06_14/services/input-event-types.service.ts
+++ b/apps/api/v2/src/ee/event-types/event-types_2024_06_14/services/input-event-types.service.ts
@@ -229,10 +229,16 @@ export class InputEventTypesService_2024_06_14 {
 
     const metadata: EventTypeMetadata = {
       ...metadataTransformed,
-      bookerLayouts: this.transformInputBookerLayouts(bookerLayouts),
-      requiresConfirmationThreshold:
-        confirmationPolicyTransformed?.requiresConfirmationThreshold ?? undefined,
-      multipleDuration: lengthInMinutesOptions,
+      ...(bookerLayouts !== undefined
+        ? { bookerLayouts: this.transformInputBookerLayouts(bookerLayouts) }
+        : {}),
+      ...(confirmationPolicy !== undefined
+        ? {
+            requiresConfirmationThreshold:
+              confirmationPolicyTransformed?.requiresConfirmationThreshold ?? undefined,
+          }
+        : {}),
+      ...(lengthInMinutesOptions !== undefined ? { multipleDuration: lengthInMinutesOptions } : {}),
     };
 
     const eventType = {
diff --git a/apps/api/v2/src/modules/organizations/event-types/organizations-member-team-admin-event-types.e2e-spec.ts b/apps/api/v2/src/modules/organizations/event-types/organizations-member-team-admin-event-types.e2e-spec.ts
index 5558717d14..fd78fec270 100644
--- a/apps/api/v2/src/modules/organizations/event-types/organizations-member-team-admin-event-types.e2e-spec.ts
+++ b/apps/api/v2/src/modules/organizations/event-types/organizations-member-team-admin-event-types.e2e-spec.ts
@@ -1294,6 +1294,80 @@ describe("Organizations Event Types Endpoints", () => {
       expect(updatedEventType.bookingRequiresAuthentication).toEqual(false);
     });
 
+    it("should preserve metadata fields when doing partial update", async () => {
+      const createBody: CreateTeamEventTypeInput_2024_06_14 = {
+        title: "Coding consultation with metadata",
+        slug: `organizations-event-types-metadata-${randomString()}`,
+        description: "Our team will review your codebase.",
+        lengthInMinutes: 30,
+        lengthInMinutesOptions: [15, 30, 60],
+        locations: [
+          {
+            type: "integration",
+            integration: "cal-video",
+          },
+        ],
+        schedulingType: "COLLECTIVE",
+        hosts: [
+          {
+            userId: teammate1.id,
+          },
+        ],
+        bookerLayouts: {
+          enabledLayouts: [
+            BookerLayoutsInputEnum_2024_06_14.column,
+            BookerLayoutsInputEnum_2024_06_14.month,
+            BookerLayoutsInputEnum_2024_06_14.week,
+          ],
+          defaultLayout: BookerLayoutsInputEnum_2024_06_14.month,
+        },
+        confirmationPolicy: {
+          type: ConfirmationPolicyEnum.TIME,
+          noticeThreshold: {
+            count: 60,
+            unit: NoticeThresholdUnitEnum.MINUTES,
+          },
+          blockUnconfirmedBookingsInBooker: true,
+        },
+      };
+
+      const createResponse = await request(app.getHttpServer())
+        .post(`/v2/organizations/${org.id}/teams/${team.id}/event-types`)
+        .send(createBody)
+        .expect(201);
+
+      const createdEventType: TeamEventTypeOutput_2024_06_14 = createResponse.body.data;
+
+      // Verify all metadata fields are set correctly on creation
+      expect(createdEventType.lengthInMinutesOptions).toBeDefined();
+      expect(createdEventType.lengthInMinutesOptions).toEqual([15, 30, 60]);
+      expect(createdEventType.bookerLayouts).toBeDefined();
+      expect(createdEventType.bookerLayouts).toEqual(createBody.bookerLayouts);
+      expect(createdEventType.confirmationPolicy).toBeDefined();
+      expect(createdEventType.confirmationPolicy).toEqual(createBody.confirmationPolicy);
+
+      // Now do a partial update that only changes a different field (not metadata fields)
+      const updateBody: UpdateTeamEventTypeInput_2024_06_14 = {
+        bookingRequiresAuthentication: false,
+      };
+
+      const updateResponse = await request(app.getHttpServer())
+        .patch(`/v2/organizations/${org.id}/teams/${team.id}/event-types/${createdEventType.id}`)
+        .send(updateBody)
+        .expect(200);
+
+      const updatedEventType: TeamEventTypeOutput_2024_06_14 = updateResponse.body.data;
+
+      // Verify that all metadata fields are preserved and not reset to undefined
+      expect(updatedEventType.lengthInMinutesOptions).toBeDefined();
+      expect(updatedEventType.lengthInMinutesOptions).toEqual([15, 30, 60]);
+      expect(updatedEventType.bookerLayouts).toBeDefined();
+      expect(updatedEventType.bookerLayouts).toEqual(createBody.bookerLayouts);
+      expect(updatedEventType.confirmationPolicy).toBeDefined();
+      expect(updatedEventType.confirmationPolicy).toEqual(createBody.confirmationPolicy);
+      expect(updatedEventType.bookingRequiresAuthentication).toEqual(false);
+    });
+
     function evaluateHost(expected: Host, received: Host | undefined) {
       expect(expected.userId).toEqual(received?.userId);
       expect(expected.mandatory).toEqual(received?.mandatory);