diff --git a/addons/cdr_mysql.c b/addons/cdr_mysql.c
index 53ea92359b..d72ee09f27 100644
--- a/addons/cdr_mysql.c
+++ b/addons/cdr_mysql.c
@@ -60,6 +60,14 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 
 #define DATE_FORMAT "%Y-%m-%d %T"
 
+#ifndef MYSQL_PORT
+# ifdef MARIADB_PORT
+#  define MYSQL_PORT MARIADB_PORT
+# else
+#  define MYSQL_PORT 3306
+# endif
+#endif
+
 AST_THREADSTORAGE(sql1_buf);
 AST_THREADSTORAGE(sql2_buf);
 AST_THREADSTORAGE(escape_buf);