diff --git a/if-up.d.dhcpd-restart-hook b/if-up.d.dhcpd-restart-hook
index a83ab27..a203f9b 100644
--- a/if-up.d.dhcpd-restart-hook
+++ b/if-up.d.dhcpd-restart-hook
@@ -51,7 +51,9 @@ fi
 
 
 . /etc/sysconfig/network/config
-. /etc/sysconfig/network/scripts/functions
+if test -f /etc/sysconfig/network/scripts/functions ; then
+	 /etc/sysconfig/network/scripts/functions
+fi
 
 . /etc/sysconfig/dhcpd                   2>/dev/null
 . /etc/sysconfig/network/ifcfg-"$CONFIG" 2>/dev/null || true