diff --git a/src/graph/edge.cc b/src/graph/edge.cc
index 3e447a99b5571a5a38f8485a754d27677e4aeadb..d447571f25a3b78d627999aa46041da71371890c 100644
--- a/src/graph/edge.cc
+++ b/src/graph/edge.cc
@@ -289,7 +289,7 @@ namespace hpp {
         if (c->apply (q)) return true;
 	const ::hpp::statistics::SuccessStatistics& ss = proj->statistics ();
 	if (ss.nbFailure () > ss.nbSuccess ()) {
-	  hppDout (warning, c->name () << " fails often." << std::endl << ss);
+	  hppDout (warning, c->name () << " fails often.\n" << ss);
 	} else {
 	  hppDout (warning, c->name () << " succeeds at rate "
 		   << (value_type)(ss.nbSuccess ()) /