diff --git a/lib/TLS/src/TLS.cpp b/lib/TLS/src/TLS.cpp
index aa0a022..ef04ee3 100644
--- a/lib/TLS/src/TLS.cpp
+++ b/lib/TLS/src/TLS.cpp
@@ -120,7 +120,13 @@ void eap::tls_master_secret::clear()
 // eap::tls_conn_state
 //////////////////////////////////////////////////////////////////////
 
-eap::tls_conn_state::tls_conn_state()
+eap::tls_conn_state::tls_conn_state() :
+    m_alg_prf     (0),
+    m_alg_encrypt (0),
+    m_size_enc_key(0),
+    m_size_enc_iv (0),
+    m_alg_mac     (0),
+    m_size_mac_key(0)
 {
 }