diff --git a/packages/core/EventManager.ts b/packages/core/EventManager.ts
index 1803c58b09..700b1c52d2 100644
--- a/packages/core/EventManager.ts
+++ b/packages/core/EventManager.ts
@@ -186,9 +186,12 @@ export default class EventManager {
         result.type = result.createdEvent.type;
         //responses data is later sent to webhook
         if (evt.location && evt.responses) {
-          evt.responses["location"].value = {
-            optionValue: "",
-            value: evt.location,
+          evt.responses["location"] = {
+            ...(evt.responses["location"] ?? {}),
+            value: {
+              optionValue: "",
+              value: evt.location,
+            },
           };
         }
       }
@@ -256,9 +259,12 @@ export default class EventManager {
         result.type = result.createdEvent.type;
         //responses data is later sent to webhook
         if (evt.location && evt.responses) {
-          evt.responses["location"].value = {
-            optionValue: "",
-            value: evt.location,
+          evt.responses["location"] = {
+            ...(evt.responses["location"] ?? {}),
+            value: {
+              optionValue: "",
+              value: evt.location,
+            },
           };
         }
       }
diff --git a/packages/emails/lib/generateIcsFile.ts b/packages/emails/lib/generateIcsFile.ts
index cb63bbadfa..6f3a99fcef 100644
--- a/packages/emails/lib/generateIcsFile.ts
+++ b/packages/emails/lib/generateIcsFile.ts
@@ -31,7 +31,7 @@ export default function generateIcsFile({
   if (
     role !== GenerateIcsRole.ATTENDEE &&
     calEvent.destinationCalendar &&
-    calEvent.destinationCalendar[0].integration === "office365_calendar"
+    calEvent.destinationCalendar[0]?.integration === "office365_calendar"
   )
     return null;
 
diff --git a/packages/trpc/server/routers/viewer/bookings/confirm.handler.test.ts b/packages/trpc/server/routers/viewer/bookings/confirm.handler.test.ts
new file mode 100644
index 0000000000..5fcba1c5d6
--- /dev/null
+++ b/packages/trpc/server/routers/viewer/bookings/confirm.handler.test.ts
@@ -0,0 +1,110 @@
+import {
+  createBookingScenario,
+  TestData,
+  getOrganizer,
+  getScenarioData,
+  mockSuccessfulVideoMeetingCreation,
+  getDate,
+} from "@calcom/web/test/utils/bookingScenario/bookingScenario";
+import { setupAndTeardown } from "@calcom/web/test/utils/bookingScenario/setupAndTeardown";
+
+import { describe, it, beforeEach, vi, expect } from "vitest";
+
+import { BookingStatus } from "@calcom/prisma/enums";
+
+import type { TrpcSessionUser } from "../../../trpc";
+import { confirmHandler } from "./confirm.handler";
+
+describe("confirmHandler", () => {
+  setupAndTeardown();
+  beforeEach(() => {
+    // Reset all mocks before each test
+    vi.clearAllMocks();
+  });
+
+  it("should successfully confirm booking when event type doesn't have any default location", async () => {
+    const attendeeUser = getOrganizer({
+      email: "test@example.com",
+      name: "test name",
+      id: 102,
+      schedules: [TestData.schedules.IstWorkHours],
+    });
+
+    const organizer = getOrganizer({
+      name: "Organizer",
+      email: "organizer@example.com",
+      id: 101,
+      schedules: [TestData.schedules.IstWorkHours],
+    });
+
+    const uidOfBooking = "n5Wv3eHgconAED2j4gcVhP";
+    const iCalUID = `${uidOfBooking}@Cal.com`;
+
+    const { dateString: plus1DateString } = getDate({ dateIncrement: 1 });
+
+    await createBookingScenario(
+      getScenarioData({
+        webhooks: [
+          {
+            userId: organizer.id,
+            eventTriggers: ["BOOKING_CREATED"],
+            subscriberUrl: "http://my-webhook.example.com",
+            active: true,
+            eventTypeId: 1,
+            appId: null,
+          },
+        ],
+        eventTypes: [
+          {
+            id: 1,
+            slotInterval: 15,
+            length: 15,
+            locations: [],
+            users: [
+              {
+                id: 101,
+              },
+            ],
+          },
+        ],
+        bookings: [
+          {
+            id: 101,
+            uid: uidOfBooking,
+            eventTypeId: 1,
+            status: BookingStatus.PENDING,
+            startTime: `${plus1DateString}T05:00:00.000Z`,
+            endTime: `${plus1DateString}T05:15:00.000Z`,
+            references: [],
+            iCalUID,
+            location: "integrations:daily",
+            attendees: [attendeeUser],
+            responses: { name: attendeeUser.name, email: attendeeUser.email, guests: [] },
+          },
+        ],
+        organizer,
+        apps: [TestData.apps["daily-video"]],
+      })
+    );
+
+    mockSuccessfulVideoMeetingCreation({
+      metadataLookupKey: "dailyvideo",
+    });
+
+    const ctx = {
+      user: {
+        id: organizer.id,
+        name: organizer.name,
+        timeZone: organizer.timeZone,
+        username: organizer.username,
+      } as NonNullable<TrpcSessionUser>,
+    };
+
+    const res = await confirmHandler({
+      ctx,
+      input: { bookingId: 101, confirmed: true, reason: "" },
+    });
+
+    expect(res?.status).toBe(BookingStatus.ACCEPTED);
+  });
+});