diff --git a/Net/src/MailMessage.cpp b/Net/src/MailMessage.cpp
index 54ee3c104..3fa4641ba 100644
--- a/Net/src/MailMessage.cpp
+++ b/Net/src/MailMessage.cpp
@@ -194,6 +194,7 @@ const std::string MailMessage::CTE_BASE64("base64");
 
 
 MailMessage::MailMessage(PartStoreFactory* pStoreFactory): 
+	_encoding(),
 	_pStoreFactory(pStoreFactory)
 {
 	Poco::Timestamp now;