diff --git a/UI/Contacts/UIxContactFolderActions.m b/UI/Contacts/UIxContactFolderActions.m
index 9f53dd195..76d1f9094 100644
--- a/UI/Contacts/UIxContactFolderActions.m
+++ b/UI/Contacts/UIxContactFolderActions.m
@@ -83,7 +83,7 @@
   filename = [NSString stringWithFormat: @"attachment;filename=\"%@.ldif\"", 
               [folder displayName]];
   response = [context response];
-  [response setHeader: @"text/directory; charset=utf-8" 
+  [response setHeader: @"application/octet-stream; charset=utf-8" 
                forKey: @"content-type"];
   [response setHeader: filename 
                forKey: @"Content-Disposition"];
diff --git a/UI/Scheduler/UIxCalFolderActions.m b/UI/Scheduler/UIxCalFolderActions.m
index 7b75d9e77..a2ae01fe3 100644
--- a/UI/Scheduler/UIxCalFolderActions.m
+++ b/UI/Scheduler/UIxCalFolderActions.m
@@ -91,7 +91,7 @@
   
   filename = [NSString stringWithFormat: @"attachment;filename=\"%@.ics\"",
               [folder displayName]];
-  [response setHeader: @"text/calendar; charset=utf-8" 
+  [response setHeader: @"application/octet-stream; charset=utf-8" 
                forKey:@"content-type"];
   [response setHeader: filename 
                forKey: @"Content-Disposition"];