diff --git a/ChangeLog b/ChangeLog
index dcc4dbf70..3bc90f1c0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,6 +4,8 @@
 	* Tests/webdavlib.py: Fixed errors in the URL regexp.
 	* SoObjects/Mailer/EOQualifier+MailDAV.m: New category to generate IMAP 
 	qualifiers from DAV filters. (REPORT)
+	* SoObjects/Mailer/EOQualifier+MailDAV.m: Formatted dates using
+	([NSCalendarDate rfc822DateString]).
 
 2009-10-04  Ludovic Marcotte  <lmarcotte@inverse.ca>
 
diff --git a/SoObjects/Mailer/EOQualifier+MailDAV.m b/SoObjects/Mailer/EOQualifier+MailDAV.m
index 8b404bbbf..5b26c1f39 100644
--- a/SoObjects/Mailer/EOQualifier+MailDAV.m
+++ b/SoObjects/Mailer/EOQualifier+MailDAV.m
@@ -29,6 +29,7 @@
 #import <SOGo/DOMNode+SOGo.h>
 
 #import <NGCards/NSString+NGCards.h>
+#import <SoObjects/SOGo/NSCalendarDate+SOGo.h>
 
 #import "EOQualifier+MailDAV.h"
 
@@ -62,13 +63,16 @@
                   endDate = [[current attribute: @"to"] asCalendarDate];
                   if (startDate && [startDate isEqual: endDate])
                     [qualifiers addObject: 
-                     [NSString stringWithFormat: @"(on = '%@')", startDate]];
+                     [NSString stringWithFormat: @"(on = '%@')", 
+                      [startDate rfc822DateString]]];
                   else if (startDate)
                     [qualifiers addObject: 
-                     [NSString stringWithFormat: @"(since > '%@')", startDate]];
+                     [NSString stringWithFormat: @"(since > '%@')", 
+                      [startDate rfc822DateString]]];
                   if (endDate)
                     [qualifiers addObject: 
-                     [NSString stringWithFormat: @"(before < '%@')", endDate]];
+                     [NSString stringWithFormat: @"(before < '%@')", 
+                      [endDate rfc822DateString]]];
                 }
               // Sent date
               else if ([[current tagName] isEqualToString: @"date"])
@@ -77,13 +81,16 @@
                   endDate = [[current attribute: @"to"] asCalendarDate];
                   if (startDate && [startDate isEqual: endDate])
                     [qualifiers addObject: 
-                     [NSString stringWithFormat: @"(senton = '%@')", startDate]];
+                     [NSString stringWithFormat: @"(senton = '%@')", 
+                      [startDate rfc822DateString]]];
                   else if (startDate)
                     [qualifiers addObject: 
-                     [NSString stringWithFormat: @"(sentsince > '%@')", startDate]];
+                     [NSString stringWithFormat: @"(sentsince > '%@')", 
+                      [startDate rfc822DateString]]];
                   if (endDate)
                     [qualifiers addObject: 
-                     [NSString stringWithFormat: @"(sentbefore < '%@')", endDate]];
+                     [NSString stringWithFormat: @"(sentbefore < '%@')", 
+                      [endDate rfc822DateString]]];
                 }
               // Sequence
               else if ([[current tagName] isEqualToString: @"sequence"])