diff --git a/std/std.internet.pdl b/std/std.internet.pdl
index a60953f775bc7d181acf4e14b4a8ee8ceef3236a..2c7fc0601d3cb7ef441d6919876e6ee4d537d097 100644
--- a/std/std.internet.pdl
+++ b/std/std.internet.pdl
@@ -1,2 +1,5 @@
 #module std.internet
 
+primitive tcp_client(u8[] ip, u16 port, in<u8[]> tx, out<u8[]> rx) {
+    #builtin
+}
\ No newline at end of file