diff --git a/OpenChange/MAPIStoreMailMessage.m b/OpenChange/MAPIStoreMailMessage.m
index 8a9bd1918..81d8cd385 100644
--- a/OpenChange/MAPIStoreMailMessage.m
+++ b/OpenChange/MAPIStoreMailMessage.m
@@ -133,6 +133,7 @@ static Class NSExceptionK;
   [bodyContent release];
   [headerMimeType release];
   [headerCharset release];
+  [headerEncoding release];
   [appointmentWrapper release];
   [super dealloc];
 }