--- uml/concept.cpp.orig	2004-06-15 19:32:07.000000000 +0200
+++ uml/concept.cpp	2004-06-15 19:32:46.000000000 +0200
@@ -30,7 +30,7 @@
 {
 	if(!attsList.remove((Attribute *)a))
 	{
-		cerr<<"can't find att given in list"<<endl;
+		std::cerr<<"can't find att given in list"<<std::endl;
 		return -1;
 	}
 	return attsList.count();
@@ -47,7 +47,7 @@
 {
 	if(!opsList.remove((Operation *)o))
 	{
-		cerr<<"can't find opp given in list"<<endl;
+		std::cerr<<"can't find opp given in list"<<std::endl;
 		return -1;
 	}
 	return opsList.count();
