diff --git a/opentracker.c b/opentracker.c
index 52078b5..442b294 100644
--- a/opentracker.c
+++ b/opentracker.c
@@ -266,7 +266,7 @@ static void * server_mainloop( void * args ) {
       if( (intptr_t)cookie == FLAG_TCP )
         handle_accept( sock );
       else if( (intptr_t)cookie == FLAG_UDP )
-        while( handle_udp6( sock, &ws ) ) {};
+        while( handle_udp6( sock, &ws ) );
       else if( (intptr_t)cookie == FLAG_SELFPIPE )
         io_tryread( sock, ws.inbuf, G_INBUF_SIZE );
       else