diff -N -r -u -X .ignore gnugo-copy/engine/owl.c gnugo/engine/owl.c
--- gnugo-copy/engine/owl.c	2007-02-19 11:13:58.234375000 +0100
+++ gnugo/engine/owl.c	2007-02-19 11:38:14.937500000 +0100
@@ -906,6 +906,8 @@
 				     shape_offensive_moves, 1, owlb))
 	  break;
     }
+    else
+      shape_offensive_moves[0].pos = 0;
 
     /* Filter out moves, which fills our eye (and not split it). */
     if (eyemax_a == 1) {