diff --git a/xwords4/linux/gtkmain.c b/xwords4/linux/gtkmain.c
index b24e2fea4..7d59b0423 100644
--- a/xwords4/linux/gtkmain.c
+++ b/xwords4/linux/gtkmain.c
@@ -1653,6 +1653,7 @@ newConnectionInput( GIOChannel *source,
 
             inboundS = stream_from_msgbuf( &globals->cGlobals, buf, nRead );
             if ( !!inboundS ) {
+                XP_LOGF( "%s: got %d bytes", __func__, nRead );
                 if ( comms_checkIncomingStream( globals->cGlobals.game.comms, 
                                                 inboundS, addrp ) ) {
                     redraw =