diff --git a/include/hpp/manipulation/fwd.hh b/include/hpp/manipulation/fwd.hh
index b4bb59c76f117d802a3d1dac7415f0ef81b46448..81189fd88c04f92669bfa0700b23418ab18a29aa 100644
--- a/include/hpp/manipulation/fwd.hh
+++ b/include/hpp/manipulation/fwd.hh
@@ -96,6 +96,7 @@ namespace hpp {
     typedef core::DifferentiableFunctionPtr_t DifferentiableFunctionPtr_t;
     typedef core::ConfigurationShooter ConfigurationShooter;
     typedef core::ConfigurationShooterPtr_t ConfigurationShooterPtr_t;
+    typedef core::ValidationReport ValidationReport;
     
     typedef std::pair< GripperPtr_t, HandlePtr_t> Grasp_t;
     typedef boost::shared_ptr <Grasp_t> GraspPtr_t;
diff --git a/include/hpp/manipulation/graph-path-validation.hh b/include/hpp/manipulation/graph-path-validation.hh
index 402c0074f08b3fdd9b2fc0c65ccda9d76b122ed4..15d9295f865f0adaf69693996e25787d9a49875d 100644
--- a/include/hpp/manipulation/graph-path-validation.hh
+++ b/include/hpp/manipulation/graph-path-validation.hh
@@ -49,6 +49,19 @@ namespace hpp {
         /// the encapsulated PathValidation::validate.
         bool validate (const PathPtr_t& path, bool reverse, PathPtr_t& validPart);
 
+	/// Call the GraphPathValidation::validate without validation report.
+	///
+	/// \param path the path to check for validity,
+	/// \param reverse if true check from the end,
+	/// \retval the extracted valid part of the path, pointer to path if
+	///         path is valid,
+	/// \retval report information about the validation process. unused in
+	///         this case,
+	/// \return whether the whole path is valid.
+	virtual bool validate (const PathPtr_t& path, bool reverse,
+			       PathPtr_t& validPart,
+			       ValidationReport& report);
+
         /// Set the encapsulated path validator.
         void innerValidation (const PathValidationPtr_t& pathValidation)
         {
diff --git a/src/graph-path-validation.cc b/src/graph-path-validation.cc
index 99b216b97422af95aae8ecaf951fc11983e7fbca..9104c200041dd039cbd50e2d4cfeb8bd7366c76d 100644
--- a/src/graph-path-validation.cc
+++ b/src/graph-path-validation.cc
@@ -39,6 +39,14 @@ namespace hpp {
       return success;
     }
 
+    bool GraphPathValidation::validate
+    (const PathPtr_t& path, bool reverse, PathPtr_t& validPart,
+     ValidationReport&)
+    {
+      assert (path);
+      return impl_validate (path, reverse, validPart);
+    }
+
     bool GraphPathValidation::impl_validate (
         const PathVectorPtr_t& path, bool reverse, PathPtr_t& validPart)
     {