diff --git a/include/hpp/constrained/roadmap-builder.hh b/include/hpp/constrained/roadmap-builder.hh
index 7eac287..d70589b 100755
--- a/include/hpp/constrained/roadmap-builder.hh
+++ b/include/hpp/constrained/roadmap-builder.hh
@@ -194,7 +194,7 @@ namespace hpp {
       bool configIsValid = true;
       bool dpIsValid = true;
 
-      if (newConfig && configIsValid && dpIsValid)
+      if (newConfig)
 	{
 	  configIsValid = newConfig->isValid();
 	  if ( configIsValid ) {