--- old/modeser.c    2004-04-23 17:15:02.000000000 +0200
+++ new/modeser.c    2015-11-25 19:38:21.000000000 +0100
@@ -228,7 +228,7 @@
     if (xparity==2)
       xparity=3; /* translate to old style value */
     r.h.ah = 0; /* initialize port */
-    r.h.al = (baud<<5) | (xparity<<3) | ((stop-1)<<1) | (data-5);
+    r.h.al = (baud<<5) | (xparity<<3) | ((stop-1)<<2) | (data-5);
     if (xbaud!=1)   /* do not SET before READING config! */
       int86(0x14, &r, &r);
   }