diff --git a/include/osmocom/ctrl/ports.h b/include/osmocom/ctrl/ports.h
index 4c3b77f..9759dc1 100644
--- a/include/osmocom/ctrl/ports.h
+++ b/include/osmocom/ctrl/ports.h
@@ -26,4 +26,5 @@
 #define OSMO_CTRL_PORT_CBC	4265
 /* 4266 used by D-GSM mDNS */
 #define OSMO_CTRL_PORT_MGW	4267
+#define OSMO_CTRL_PORT_SMLC	4272
 /* When adding/changing port numbers, keep docs and wiki in sync. See above. */