diff -r da142c310d02 -r 4274224f8a7d test/matrix_maps_test.cc
--- a/test/matrix_maps_test.cc	Tue Oct 24 16:49:41 2006 +0000
+++ b/test/matrix_maps_test.cc	Tue Oct 24 17:19:16 2006 +0000
@@ -21,9 +21,9 @@
 
 #include <lemon/concept_check.h>
 
-#include <lemon/concept/matrix_maps.h>
-#include <lemon/concept/maps.h>
-#include <lemon/concept/graph.h>
+#include <lemon/concepts/matrix_maps.h>
+#include <lemon/concepts/maps.h>
+#include <lemon/concepts/graph.h>
 
 #include <lemon/matrix_maps.h>
 
@@ -35,7 +35,7 @@
 
 
 using namespace lemon;
-using namespace lemon::concept;
+using namespace lemon::concepts;
 
 int main() {
   typedef SmartGraph Graph;