diff --git a/src/xmpp/connection.c b/src/xmpp/connection.c
index e35f19ff..c2ca16fd 100644
--- a/src/xmpp/connection.c
+++ b/src/xmpp/connection.c
@@ -678,6 +678,9 @@ static void _calculate_identifier(const char *barejid)
     assert(b64 != NULL);
     g_free(hmac);
 
+    //in case of reconnect
+    free(prof_identifier);
+
     prof_identifier = b64;
 }