--- yap-6.0.3.orig/C/index.c	2010-03-16 03:45:20.000000000 +1300
+++ yap-6.0.3/C/index.c	2010-04-10 12:02:06.000000000 +1200
@@ -3475,10 +3475,6 @@
       } else if (sp->pos) {
 	UInt argno = -sp->pos;
 	skip_to_arg(cls, ap, argno, FALSE);
-	if (ArityOfFunctor((Functor)RepAppl(sp[-1].val))
-	    != argno+1) {
-	  last_arg = FALSE;
-	}
       }
     }
     sp++;