diff --git a/include/asterisk/res_odbc.h b/include/asterisk/res_odbc.h
index 7f1f558120..690b1f5b9c 100644
--- a/include/asterisk/res_odbc.h
+++ b/include/asterisk/res_odbc.h
@@ -61,7 +61,7 @@ struct odbc_obj {
  * This function really only ever worked with MySQL, where the statement handle is
  * not prepared on the server.  If you are not using MySQL, you should avoid it.
  */
-int ast_odbc_smart_execute(struct odbc_obj *obj, SQLHSTMT stmt); /* DEPRECATED */
+int ast_odbc_smart_execute(struct odbc_obj *obj, SQLHSTMT stmt) __attribute__ ((deprecated));
 
 /*! \brief Retrieves a connected ODBC object
  * \param name The name of the ODBC class for which a connection is needed.