diff --git a/libgo/syscalls/socket_bsd.go b/libgo/syscalls/socket_bsd.go
index d4edc7a2e18..f4d06b4f5b0 100644
--- a/libgo/syscalls/socket_bsd.go
+++ b/libgo/syscalls/socket_bsd.go
@@ -33,7 +33,7 @@ type RawSockaddrInet6 struct {
 }
 
 func (sa *RawSockaddrInet6) setLen() Socklen_t {
-	sa.raw.Len = SizeofSockaddrInet6
+	sa.Len = SizeofSockaddrInet6
 	return SizeofSockaddrInet6
 }