diff --git a/ChangeLog b/ChangeLog
index c295a459e..a7580efe8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2010-11-05  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
+
+	* SoObjects/Appointments/SOGoAptMailReceipt.m (-getSubject)
+	(-getBody): invoked setupValues if values is nil to ensure that
+	the timezone has been set properly.
+
 2010-11-04  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
 
 	* Tools/SOGoSockDOperation.m (_getFolderWithId:forUser:): invoke
diff --git a/SoObjects/Appointments/SOGoAptMailReceipt.m b/SoObjects/Appointments/SOGoAptMailReceipt.m
index 420ec5b30..3d844008e 100644
--- a/SoObjects/Appointments/SOGoAptMailReceipt.m
+++ b/SoObjects/Appointments/SOGoAptMailReceipt.m
@@ -76,6 +76,9 @@ static NSCharacterSet *wsSet = nil;
 {
   NSString *subject;
 
+  if (!values)
+    [self setupValues];
+
   isSubject = YES;
   subject = [[[self generateResponse] contentAsString]
 	      stringByTrimmingCharactersInSet: wsSet];
@@ -94,6 +97,9 @@ static NSCharacterSet *wsSet = nil;
 {
   NSString *body;
 
+  if (!values)
+    [self setupValues];
+
   isSubject = NO;
 
   body = [[self generateResponse] contentAsString];