diff --git a/ipv6/ndisc/Makefile b/ipv6/ndisc/Makefile
index 104453666..d16a6a6ed 100644
--- a/ipv6/ndisc/Makefile
+++ b/ipv6/ndisc/Makefile
@@ -58,7 +58,8 @@ endef
 
 define Package/rdnssd
   $(call Package/ndisc)
-  TITLE:=DNS server discovery deamon
+  TITLE:=DNS server discovery daemon
+  DEPENDS:=+librt
 endef
 
 define Package/rdnssd/description