diff -r 741f3108a90f -r e997802b855c src/test/preflow_test.cc
--- a/src/test/preflow_test.cc	Sat Nov 13 12:24:01 2004 +0000
+++ b/src/test/preflow_test.cc	Sat Nov 13 12:53:28 2004 +0000
@@ -67,7 +67,7 @@
   
   int c=0;
   for(SmartGraph::EdgeIt e(g); e!=INVALID; ++e) {
-    if (cut[g.tail(e)] && !cut[g.head(e)]) c+=cap[e];
+    if (cut[g.source(e)] && !cut[g.target(e)]) c+=cap[e];
   }
   return c;
 }