diff -r f58e01094738 -r 1f2a734581f8 lemon/bits/path_dump.h
--- a/lemon/bits/path_dump.h	Thu Feb 11 10:02:11 2010 +0100
+++ b/lemon/bits/path_dump.h	Sun Apr 11 22:28:42 2010 +0200
@@ -46,7 +46,7 @@
     }
 
     bool empty() const {
-      return predMap[target] != INVALID;
+      return predMap[target] == INVALID;
     }
 
     class RevArcIt {