diff --git a/apps/web/components/DestinationCalendarSelector.tsx b/apps/web/components/DestinationCalendarSelector.tsx
index 96f28b1f6d..25f4a7f5ac 100644
--- a/apps/web/components/DestinationCalendarSelector.tsx
+++ b/apps/web/components/DestinationCalendarSelector.tsx
@@ -61,10 +61,12 @@ const DestinationCalendarSelector = ({
     query.data.connectedCalendars.map((selectedCalendar) => ({
       key: selectedCalendar.credentialId,
       label: `${selectedCalendar.integration.title} (${selectedCalendar.primary?.name})`,
-      options: (selectedCalendar.calendars ?? []).map((cal) => ({
-        label: cal.name || "",
-        value: `${cal.integration}:${cal.externalId}`,
-      })),
+      options: (selectedCalendar.calendars ?? [])
+        .filter((cal) => cal.readOnly === false)
+        .map((cal) => ({
+          label: cal.name || "",
+          value: `${cal.integration}:${cal.externalId}`,
+        })),
     })) ?? [];
   return (
     <div className="relative" title={`${t("select_destination_calendar")}: ${selectedOption?.label || ""}`}>
diff --git a/packages/core/CalendarManager.ts b/packages/core/CalendarManager.ts
index eb7f7c2137..a4192f1295 100644
--- a/packages/core/CalendarManager.ts
+++ b/packages/core/CalendarManager.ts
@@ -44,6 +44,7 @@ export const getConnectedCalendars = async (
         const calendars = _(cals)
           .map((cal) => ({
             ...cal,
+            readOnly: cal.readOnly || false,
             primary: cal.primary || null,
             isSelected: selectedCalendars.some((selected) => selected.externalId === cal.externalId),
             credentialId,