diff --git a/docbook/entities.xml b/docbook/entities.xml
index 2498298d38d..4081ec1836f 100644
--- a/docbook/entities.xml
+++ b/docbook/entities.xml
@@ -47,7 +47,7 @@
 <!ENTITY ser "SER">
 <!ENTITY sername "SIP Express Router">
 <!ENTITY sercmd "kamcmd">
-<!ENTITY ctlsocket "ser_ctl">
+<!ENTITY ctlsocket "kamailio_ctl">
 
 <!ENTITY serhome "http://iptel.org/ser">
 <!ENTITY serbugs "http://sip-router.org/tracker">