diff --git a/ChangeLog b/ChangeLog
index f40765c88..227bb6a70 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2011-11-09  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
 
+	* OpenChange/MAPIStoreVolatileMessage.m (-addProperties:):
+	transfer the content of the "properties" ivar instead of the
+	"newProperties" parameter, so as to benefit from treatment that
+	could have happened in parent classes.
+
 	* OpenChange/MAPIStoreMailVolatileMessage.m
 	(_generateMailDataWithBcc:): don't write the resulting mail body
 	to /tmp/mimegen.eml.
diff --git a/OpenChange/MAPIStoreVolatileMessage.m b/OpenChange/MAPIStoreVolatileMessage.m
index 1f9286bca..56bfe6984 100644
--- a/OpenChange/MAPIStoreVolatileMessage.m
+++ b/OpenChange/MAPIStoreVolatileMessage.m
@@ -83,7 +83,7 @@ Class NSNumberK;
 - (void) addProperties: (NSDictionary *) newProperties
 {
   [super addProperties: newProperties];
-  [sogoObject appendProperties: newProperties];
+  [sogoObject appendProperties: properties];
   [properties removeAllObjects];
   ASSIGN (lastModificationTime, [NSDate date]);
 }