diff --git a/external.mk b/external.mk
index f489c0b..3358e6b 100644
--- a/external.mk
+++ b/external.mk
@@ -1 +1,3 @@
 include $(sort $(wildcard $(BR2_EXTERNAL_metricspi_PATH)/package/*/*.mk))
+
+DHCPCD_CONFIG_OPTS += -with-hook=ntp.conf