diff --git a/packages/features/ee/workflows/api/scheduleEmailReminders.ts b/packages/features/ee/workflows/api/scheduleEmailReminders.ts
index 0c48d8ff27..7f862e14a1 100644
--- a/packages/features/ee/workflows/api/scheduleEmailReminders.ts
+++ b/packages/features/ee/workflows/api/scheduleEmailReminders.ts
@@ -116,7 +116,7 @@ async function handler(req: NextApiRequest, res: NextApiResponse) {
 
         switch (reminder.workflowStep.action) {
           case WorkflowActions.EMAIL_HOST:
-            sendTo = reminder.booking.user?.email;
+            sendTo = reminder.booking?.userPrimaryEmail ?? reminder.booking.user?.email;
             break;
           case WorkflowActions.EMAIL_ATTENDEE:
             sendTo = reminder.booking.attendees[0].email;
@@ -227,7 +227,7 @@ async function handler(req: NextApiRequest, res: NextApiResponse) {
                   html: emailContent.emailBody,
                   batchId: batchId,
                   sendAt: dayjs(reminder.scheduledDate).unix(),
-                  replyTo: reminder.booking.user?.email,
+                  replyTo: reminder.booking?.userPrimaryEmail ?? reminder.booking.user?.email,
                   attachments: reminder.workflowStep.includeCalendarEvent
                     ? [
                         {
@@ -297,7 +297,7 @@ async function handler(req: NextApiRequest, res: NextApiResponse) {
                 html: emailContent.emailBody,
                 batchId: batchId,
                 sendAt: dayjs(reminder.scheduledDate).unix(),
-                replyTo: reminder.booking.user?.email,
+                replyTo: reminder.booking?.userPrimaryEmail ?? reminder.booking.user?.email,
               },
               { sender: reminder.workflowStep?.sender }
             )
diff --git a/packages/features/ee/workflows/lib/getWorkflowReminders.ts b/packages/features/ee/workflows/lib/getWorkflowReminders.ts
index e251397aa4..b459a89bb4 100644
--- a/packages/features/ee/workflows/lib/getWorkflowReminders.ts
+++ b/packages/features/ee/workflows/lib/getWorkflowReminders.ts
@@ -23,6 +23,7 @@ type PartialBooking =
       | "responses"
       | "uid"
       | "attendees"
+      | "userPrimaryEmail"
     > & { eventType: Partial<EventType> | null } & { user: Partial<User> | null })
   | null;
 
@@ -134,6 +135,7 @@ export async function getAllUnscheduledReminders(): Promise<PartialWorkflowRemin
         endTime: true,
         location: true,
         description: true,
+        userPrimaryEmail: true,
         user: {
           select: {
             email: true,