diff --git a/SoObjects/Appointments/SOGoAppointmentFolder.m b/SoObjects/Appointments/SOGoAppointmentFolder.m
index a4454136bf..79151a0fa3 100644
--- a/SoObjects/Appointments/SOGoAppointmentFolder.m
+++ b/SoObjects/Appointments/SOGoAppointmentFolder.m
@@ -2548,7 +2548,7 @@ - (NSArray *) davResourceType
                                 XMLNS_GROUPDAV, nil];
           [colType addObject: gdVTodoCol];
         }
-      if ([nameInContainer isEqualToString: @"personal"] || [nameInContainer isEqualToString: @"Personal"])
+      if ([[nameInContainer lowercaseString] isEqualToString: @"personal"])
         [colType addObject: [NSArray arrayWithObjects: @"schedule-outbox",
                                      XMLNS_CALDAV, nil]];
     }
diff --git a/SoObjects/Appointments/SOGoUserFolder+Appointments.m b/SoObjects/Appointments/SOGoUserFolder+Appointments.m
index 0060637e50..ccedf2c6c8 100644
--- a/SoObjects/Appointments/SOGoUserFolder+Appointments.m
+++ b/SoObjects/Appointments/SOGoUserFolder+Appointments.m
@@ -190,7 +190,7 @@ - (NSArray *) davCalendarScheduleInboxURL
 
 - (NSArray *) davCalendarScheduleOutboxURL
 {  
-  return [[context request] isMacOSXVenturaCalendarApp] ? [self _davSpecialCalendarURLWithName: @"Personal"] : [self _davSpecialCalendarURLWithName: @"personal"];
+  return [[context request] isMacOSXVenturaCalendarApp] ? [self _davSpecialCalendarURLWithName: @"PERSONAL"] : [self _davSpecialCalendarURLWithName: @"personal"];
 }
 
 - (NSArray *) _calendarProxiedUsersWithWriteAccess: (BOOL) write
diff --git a/SoObjects/SOGo/SOGoFolder.m b/SoObjects/SOGo/SOGoFolder.m
index 64958aadff..600873ab24 100644
--- a/SoObjects/SOGo/SOGoFolder.m
+++ b/SoObjects/SOGo/SOGoFolder.m
@@ -200,16 +200,16 @@ - (NSComparisonResult) _compareByNameInContainer: (SOGoFolder *) otherFolder
 
   selfName = [self realNameInContainer];
   otherName = [otherFolder realNameInContainer];
-  if ([selfName isEqualToString: @"personal"] || [selfName isEqualToString: @"Personal"])
+  if ([[selfName  lowercaseString] isEqualToString: @"personal"])
     {
-      if ([otherName isEqualToString: @"personal"] || [otherName isEqualToString: @"Personal"])
+      if ([[otherName lowercaseString] isEqualToString: @"personal"])
 	comparison = NSOrderedSame;
       else
 	comparison = NSOrderedAscending;
     }
   else
     {
-      if ([otherName isEqualToString: @"personal"] || [otherName isEqualToString: @"Personal"])
+      if ([[otherName lowercaseString] isEqualToString: @"personal"])
 	comparison = NSOrderedDescending;
       else
 	comparison = NSOrderedSame;
diff --git a/SoObjects/SOGo/SOGoParentFolder.m b/SoObjects/SOGo/SOGoParentFolder.m
index 31121ddcc8..bb3775f17d 100644
--- a/SoObjects/SOGo/SOGoParentFolder.m
+++ b/SoObjects/SOGo/SOGoParentFolder.m
@@ -144,7 +144,7 @@ - (void) setBaseOCSPath: (NSString *) newOCSPath
 
 - (NSString *) defaultFolderName
 {
-  return @"Personal";
+  return [[context request] isMacOSXVenturaCalendarApp] ? @"PERSONAL" : @"Personal";
 }
 
 - (NSString *) collectedFolderName
@@ -173,7 +173,7 @@ - (void) createSpecialFolder: (SOGoFolderType) folderType
   {
     if (folderType == SOGoPersonalFolder)
     {
-      folderName = [[context request] isMacOSXVenturaCalendarApp] ? @"Personal" : @"personal";
+      folderName = [[context request] isMacOSXVenturaCalendarApp] ? @"PERSONAL" : @"personal";
       folder = [subFolderClass objectWithName: folderName inContainer: self];
       [folder setDisplayName: [self defaultFolderName]];
       [folder setOCSPath: [NSString stringWithFormat: @"%@/%@", OCSPath, folderName]];
@@ -241,7 +241,7 @@ - (NSException *) fetchSpecialFolders: (NSString *) sql
     }
     if (folderType == SOGoPersonalFolder)
     {
-      if (![subFolders objectForKey: @"personal"] || ![subFolders objectForKey: @"Personal"])
+      if (![subFolders objectForKey: @"personal"] || ![subFolders objectForKey: @"Personal"]  || ![subFolders objectForKey: @"PERSONAL"])
         [self createSpecialFolder: SOGoPersonalFolder];
     }
     else if (folderType == SOGoCollectedFolder)
diff --git a/SoObjects/SOGo/SOGoUser.m b/SoObjects/SOGo/SOGoUser.m
index ed9f783037..21f3562423 100644
--- a/SoObjects/SOGo/SOGoUser.m
+++ b/SoObjects/SOGo/SOGoUser.m
@@ -1059,7 +1059,7 @@ - (SOGoAppointmentFolders *) calendarsFolderInContext: (WOContext *) context
 
 - (SOGoAppointmentFolder *) personalCalendarFolderInContext: (WOContext *) context
 {
-  return [[self calendarsFolderInContext: context] lookupPersonalFolder: [[context request] isMacOSXVenturaCalendarApp] ? @"Personal" : @"personal"
+  return [[self calendarsFolderInContext: context] lookupPersonalFolder: [[context request] isMacOSXVenturaCalendarApp] ? @"PERSONAL" : @"personal"
                                                          ignoringRights: YES];
 }