diff --git a/frontend/src/components/EventAdmin.tsx b/frontend/src/components/EventAdmin.tsx
index f542ac5..a6abb1c 100644
--- a/frontend/src/components/EventAdmin.tsx
+++ b/frontend/src/components/EventAdmin.tsx
@@ -616,7 +616,7 @@ const EventAdmin: React.FC = () => {
       formData.append('email_notifications_enabled', updateForm.email_notifications_enabled.toString());
       formData.append('email_recipients', updateForm.email_recipients);
       formData.append('event_conclusion_email_enabled', updateForm.event_conclusion_email_enabled.toString()); // Append new field
-      formData.append('event_conclusion_message', updateForm.event_conclusion_message); // Append new field
+      formData.append('event_conclusion_message', String(updateForm.event_conclusion_message)); // Ensure it's a string
 
       // Append wallpaper if a new one was selected
       if (updateForm.wallpaper) {
diff --git a/frontend/src/components/EventForm.tsx b/frontend/src/components/EventForm.tsx
index a6c15a0..13a5dd8 100644
--- a/frontend/src/components/EventForm.tsx
+++ b/frontend/src/components/EventForm.tsx
@@ -129,7 +129,7 @@ const EventForm: React.FC = () => {
       });
 
       // Append event conclusion message
-      submitData.append('event_conclusion_message', formData.event_conclusion_message); // Use correct key and state variable
+      submitData.append('event_conclusion_message', String(formData.event_conclusion_message)); // Ensure it's a string
 
 
       // Append wallpaper if selected