--- Yap-5.0.1/H/rclause.h	2005-08-22 23:09:14.000000000 +1200
+++ cvs/yap/H/rclause.h	2006-02-18 23:21:36.000000000 +1300
@@ -180,6 +187,7 @@
     case _retry3:
     case _retry4:
     case _p_eq:
+    case _p_dif:
       pc->u.l.l = PtoOpAdjust(pc->u.l.l);
       pc = NEXTOP(pc,l);
       break;
@@ -220,7 +228,6 @@
     case _undef_p:
     case _spy_pred:
     case _p_equal:
-    case _p_dif:
     case _p_functor:
     case _enter_a_profiling:
     case _count_a_call:
@@ -773,10 +783,10 @@
       /* instructions type xllll */
     case _switch_list_nl:
       pc->u.ollll.pop = Yap_opcode(Yap_op_from_opcode(pc->u.ollll.pop));
-      pc->u.ollll.l1 = PtoOpAdjust(pc->u.llll.l1);
-      pc->u.ollll.l2 = PtoOpAdjust(pc->u.llll.l2);
-      pc->u.ollll.l3 = PtoOpAdjust(pc->u.llll.l3);
-      pc->u.ollll.l4 = PtoOpAdjust(pc->u.llll.l4);
+      pc->u.ollll.l1 = PtoOpAdjust(pc->u.ollll.l1);
+      pc->u.ollll.l2 = PtoOpAdjust(pc->u.ollll.l2);
+      pc->u.ollll.l3 = PtoOpAdjust(pc->u.ollll.l3);
+      pc->u.ollll.l4 = PtoOpAdjust(pc->u.ollll.l4);
       pc = NEXTOP(pc,ollll);
       break;
       /* instructions type xllll */