1diff --git a/src/net/lookup_unix.go b/src/net/lookup_unix.go
2index 7416cb01f8..62722cab14 100644
3--- a/src/net/lookup_unix.go
4+++ b/src/net/lookup_unix.go
5@@ -15,7 +15,7 @@ import (
6 // readProtocolsOnce loads contents of /etc/protocols into protocols map
7 // for quick access.
8 var readProtocolsOnce = sync.OnceFunc(func() {
9- file, err := open("/etc/protocols")
10+ file, err := open("@iana@/etc/protocols")
11 if err != nil {
12 return
13 }
14diff --git a/src/net/port_unix.go b/src/net/port_unix.go
15index df73dbabb3..a5dcf2ca1c 100644
16--- a/src/net/port_unix.go
17+++ b/src/net/port_unix.go
18@@ -16,7 +16,7 @@ import (
19 var onceReadServices sync.Once
20
21 func readServices() {
22- file, err := open("/etc/services")
23+ file, err := open("@iana@/etc/services")
24 if err != nil {
25 return
26 }