diff --git a/net/socket/net_monitor.c b/net/socket/net_monitor.c
index 24e6e1c8252..a9f0de3c150 100644
--- a/net/socket/net_monitor.c
+++ b/net/socket/net_monitor.c
@@ -192,7 +192,7 @@ void net_stopmonitor(FAR struct tcp_conn_s *conn)
 
 void net_lostconnection(FAR struct socket *psock, uint16_t flags)
 {
-  DEBUGASSERT(psock)
+  DEBUGASSERT(psock);
 
   /* These loss-of-connection events may be reported:
    *