diff -r b9c6a47c977b -r 64613d8fae28 lemon/unionfind.h
--- a/lemon/unionfind.h	Tue Jul 15 18:43:41 2008 +0100
+++ b/lemon/unionfind.h	Tue Jul 15 18:49:30 2008 +0100
@@ -30,7 +30,7 @@
 #include <algorithm>
 #include <functional>
 
-#include <lemon/bits/invalid.h>
+#include <lemon/core.h>
 
 namespace lemon {