diff --git a/net/udp/udp_conn.c b/net/udp/udp_conn.c
index ec9f1be5426..3fe130a2165 100644
--- a/net/udp/udp_conn.c
+++ b/net/udp/udp_conn.c
@@ -816,6 +816,10 @@ int udp_bind(FAR struct udp_conn_s *conn, FAR const struct sockaddr *addr)
     }
 #endif
 
+  /* Interrupts must be disabled while access the UDP connection list */
+
+  net_lock();
+
 #ifdef CONFIG_NET_IPv4
 #ifdef CONFIG_NET_IPv6
   if (conn->domain == PF_INET)
@@ -928,10 +932,6 @@ int udp_bind(FAR struct udp_conn_s *conn, FAR const struct sockaddr *addr)
     }
   else
     {
-      /* Interrupts must be disabled while access the UDP connection list */
-
-      net_lock();
-
       /* Is any other UDP connection already bound to this address
        * and port ?
        */
@@ -958,10 +958,9 @@ int udp_bind(FAR struct udp_conn_s *conn, FAR const struct sockaddr *addr)
         {
           ret         = -EADDRINUSE;
         }
-
-      net_unlock();
     }
 
+  net_unlock();
   return ret;
 }