diff --git a/conf/ru.config b/conf/ru.config
index 0149729..1188504 100644
--- a/conf/ru.config
+++ b/conf/ru.config
@@ -43,6 +43,7 @@ $pathToExternals = array(
 "gzip" => '/bin/gzip', // Something like /usr/bin/gzip. If empty, will be found in PATH.
 "id" => '/usr/bin/id', // Something like /usr/bin/id. If empty, will be found in PATH.
 "stat" => '/usr/bin/stat', // Something like /usr/bin/stat. If empty, will be found in PATH.
+"pgrep" => '/usr/bin/pgrep', // Something like /usr/bin/pgrep. If empty, will be found in PATH.
 );
 
 $localhosts = array( // list of local interfaces