diff -urNp old/src/screen.c new/src/screen.c

--- old/src/screen.c	2017-10-04 09:49:28.274367045 +0200

+++ new/src/screen.c	2017-10-04 09:50:40.154585607 +0200

@@ -2278,8 +2278,8 @@ int padlen;

 	  while (i-- > 0)

 	    *pn-- = ' ';

 	  numpad--;

-	  if (r && p - buf == winmsg_rendpos[r - 1])

-	    winmsg_rendpos[--r] = pn - buf;

+	  if (r && p - buf + 1 == winmsg_rendpos[r - 1])

+	    winmsg_rendpos[--r] = pn - buf + 1;

 	}

     }

   return pn2;