diff --git a/netutils/netlib/CMakeLists.txt b/netutils/netlib/CMakeLists.txt
index e3bd0cb8b..bb1bacbb4 100644
--- a/netutils/netlib/CMakeLists.txt
+++ b/netutils/netlib/CMakeLists.txt
@@ -62,7 +62,7 @@ if(CONFIG_NETUTILS_NETLIB)
     list(APPEND SRCS netlib_prefix2ipv6netmask.c netlib_ipv6netmask2prefix.c)
     list(APPEND SRCS netlib_ipv6adaptor.c)
     if(CONFIG_NET_ICMPv6_AUTOCONF)
-      list(APPEND SRCS netlib_autoconfig.c)
+      list(APPEND SRCS netlib_autoconfig.c netlib_obtainipv6addr.c)
     endif()
     if(CONFIG_NETDB_DNSCLIENT)
       list(APPEND SRCS netlib_setipv6dnsaddr.c)