diff --git a/src/tutorial_2.cc b/src/tutorial_2.cc
index c674f285a4467824de824b0d0b31cbc0a4c5e3b5..3c22e4a3ab7b51aeb2f5c685aa2629df11389b54 100644
--- a/src/tutorial_2.cc
+++ b/src/tutorial_2.cc
@@ -36,7 +36,7 @@ namespace hpp {
     // forward declaration of class Planner
     HPP_PREDEF_CLASS (Planner);
     // Planner objects are manipulated only via shared pointers
-    typedef boost::shared_ptr <Planner> PlannerPtr_t;
+    typedef shared_ptr <Planner> PlannerPtr_t;
     typedef core::value_type value_type;
 
     /// Example of path planner