diff --git a/.DS_Store b/.DS_Store
index 592571f..1206c0f 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/EXO/Set-GlobalMailboxPermissions.ps1 b/EXO/Set-GlobalMailboxPermissions.ps1
index 448fa00..eb4ab35 100644
--- a/EXO/Set-GlobalMailboxPermissions.ps1
+++ b/EXO/Set-GlobalMailboxPermissions.ps1
@@ -18,5 +18,5 @@ foreach ($mailbox in $mailboxes) {
     $processCount++
     $percentComplete = (($processCount / $totalMailboxes) * 100)
     Write-Progress -Activity "Applying calendar permissions" -Status "Processing $calendarPath" -PercentComplete $percentComplete
-    Add-MailboxFolderPermission -Identity $calendarPath -User $upn -AccessRights $calendarPermission -SharingPermissionFlags Delegate
+    Set-MailboxFolderPermission -Identity $calendarPath -User $upn -AccessRights $calendarPermission -SharingPermissionFlags None
 }
\ No newline at end of file