diff -r 45befc97b1bc -r 473c71baff72 lemon/edmonds_karp.h
--- a/lemon/edmonds_karp.h	Thu Feb 28 23:44:35 2013 +0100
+++ b/lemon/edmonds_karp.h	Thu Feb 28 23:45:39 2013 +0100
@@ -524,7 +524,7 @@
     /// \pre Either \ref run() or \ref init() must be called before
     /// using this function.
     bool minCut(const Node& node) const {
-      return ((*_pred)[node] != INVALID) or node == _source;
+      return ((*_pred)[node] != INVALID) || node == _source;
     }
 
     /// \brief Gives back a minimum value cut.