diff --git a/package/etc/conf.d/filters/cisco/cisco_syslog.conf b/package/etc/conf.d/filters/cisco/cisco_syslog.conf
index d1a77ae..a4f0381 100644
--- a/package/etc/conf.d/filters/cisco/cisco_syslog.conf
+++ b/package/etc/conf.d/filters/cisco/cisco_syslog.conf
@@ -60,7 +60,7 @@ parser cisco-parser-ex{
                     value("HOST")                
                     condition(
                     not match('^\d+$', value('11')) 
-                    and match('^[A-Za-z0-9]{4,}$' value('11'))
+                    and match('^.{4,}$' value('11'))
                     and match('^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$|^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$' value('11')))
                 );                        
                 set(