diff --git a/src/vcl/vcl_locked.h b/src/vcl/vcl_locked.h
index 11b71ee..3adcf62 100644
--- a/src/vcl/vcl_locked.h
+++ b/src/vcl/vcl_locked.h
@@ -26,6 +26,7 @@
 typedef int vls_handle_t;
 
 vls_handle_t vls_create (uint8_t proto, uint8_t is_nonblocking);
+int vls_shutdown (vls_handle_t vlsh);
 int vls_close (vls_handle_t vlsh);
 int vls_bind (vls_handle_t vlsh, vppcom_endpt_t * ep);
 int vls_listen (vls_handle_t vlsh, int q_len);