diff --git a/lang/en/webservice.php b/lang/en/webservice.php
index 7924eb55bab..628a35b5368 100644
--- a/lang/en/webservice.php
+++ b/lang/en/webservice.php
@@ -82,7 +82,7 @@ $string['errorcoursecontextnotvalid'] = 'You cannot execute functions in the cou
 $string['errorinvalidparam'] = 'The param "{$a}" is invalid.';
 $string['errornotemptydefaultparamarray'] = 'The web service description parameter named \'{$a}\' is an single or multiple structure. The default can only be empty array. Check web service description.';
 $string['erroroptionalparamarray'] = 'The web service description parameter named \'{$a}\' is an single or multiple structure. It can not be set as VALUE_OPTIONAL. Check web service description.';
-$string['eventwebservice_function_called'] = 'Web service function called';
+$string['eventwebservicefunctioncalled'] = 'Web service function called';
 $string['eventwebserviceloginfailed'] = 'Web service login failed';
 $string['eventwebserviceservicecreated'] = 'Web service service created';
 $string['eventwebserviceservicedeleted'] = 'Web service service deleted';