diff --git a/libs/rpcd-mod-luci/Makefile b/libs/rpcd-mod-luci/Makefile
index 8833bb45ca..a39ec3b224 100644
--- a/libs/rpcd-mod-luci/Makefile
+++ b/libs/rpcd-mod-luci/Makefile
@@ -48,8 +48,7 @@ endef
 
 define Package/rpcd-mod-luci/postinst
 #!/bin/sh
-killall -HUP rpcd 2>/dev/null
-exit 0
+[ -n "$$IPKG_INSTROOT" ] || /etc/init.d/rpcd reload
 endef
 
 $(eval $(call BuildPackage,rpcd-mod-luci))
diff --git a/libs/rpcd-mod-rad2-enc/Makefile b/libs/rpcd-mod-rad2-enc/Makefile
index 121e3a274f..1dd61476aa 100644
--- a/libs/rpcd-mod-rad2-enc/Makefile
+++ b/libs/rpcd-mod-rad2-enc/Makefile
@@ -41,8 +41,7 @@ endef
 
 define Package/rpcd-mod-rad2-enc/postinst
 #!/bin/sh
-killall -HUP rpcd 2>/dev/null
-exit 0
+[ -n "$$IPKG_INSTROOT" ] || /etc/init.d/rpcd reload
 endef
 
 $(eval $(call BuildPackage,rpcd-mod-rad2-enc))
diff --git a/libs/rpcd-mod-rrdns/Makefile b/libs/rpcd-mod-rrdns/Makefile
index f0bf140a87..37f0e04466 100644
--- a/libs/rpcd-mod-rrdns/Makefile
+++ b/libs/rpcd-mod-rrdns/Makefile
@@ -40,8 +40,7 @@ endef
 
 define Package/rpcd-mod-rrdns/postinst
 #!/bin/sh
-killall -HUP rpcd 2>/dev/null
-exit 0
+[ -n "$$IPKG_INSTROOT" ] || /etc/init.d/rpcd reload
 endef
 
 $(eval $(call BuildPackage,rpcd-mod-rrdns))