diff --git a/buildout/software-profiles/handlersocket.cfg b/buildout/software-profiles/handlersocket.cfg
index cc41005ab2e712114bcd190e37b3b64c10ef6383..831bc2604552e92eb9ad88c92f6bd1523813bccf 100644
--- a/buildout/software-profiles/handlersocket.cfg
+++ b/buildout/software-profiles/handlersocket.cfg
@@ -2,6 +2,9 @@
 # http://github.com/ahiguti/HandlerSocket-Plugin-for-MySQL
 
 [buildout]
+extends =
+  ../software-profiles/mysql-5.1.cfg
+
 parts =
   handlersocket