diff --git a/src/framework/sql/database.h b/src/framework/sql/database.h
index 8161cdd5..9b189877 100644
--- a/src/framework/sql/database.h
+++ b/src/framework/sql/database.h
@@ -239,7 +239,7 @@ class DBInsert
         /**
         * Associates with given database handler.
         *
-        * @param Database* database wrapper
+        * @param DatabasePtr database wrapper
         */
         DBInsert(DatabasePtr db): m_db(db), m_rows(0) {}
         ~DBInsert() {}
diff --git a/src/framework/sql/declarations.h b/src/framework/sql/declarations.h
index 8111389a..9df1d34f 100644
--- a/src/framework/sql/declarations.h
+++ b/src/framework/sql/declarations.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
+ * Copyright (c) 2010-2013 OTClient <https://github.com/edubart/otclient>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
diff --git a/src/framework/sql/mysql.cpp b/src/framework/sql/mysql.cpp
index 7d6164ac..2d127f20 100644
--- a/src/framework/sql/mysql.cpp
+++ b/src/framework/sql/mysql.cpp
@@ -253,8 +253,6 @@ void MySQLResult::free()
     }
 
     mysql_free_result(m_resultHandle);
-
-    delete m_resultHandle;
     m_resultHandle = NULL;
 }
 
diff --git a/src/framework/sql/mysql.h b/src/framework/sql/mysql.h
index 74c57875..5a90a207 100644
--- a/src/framework/sql/mysql.h
+++ b/src/framework/sql/mysql.h
@@ -20,8 +20,8 @@
  * THE SOFTWARE.
  */
 
-#ifndef __DATABASE_MYSQL__
-#define __DATABASE_MYSQL__
+#ifndef DATABASEMYSQL_H
+#define DATABASEMYSQL_H
 
 #include "database.h"