diff --git a/sources/reactphysics3d/constraint/Contact.cpp b/sources/reactphysics3d/constraint/Contact.cpp
index 331f958f..0b38b6cf 100644
--- a/sources/reactphysics3d/constraint/Contact.cpp
+++ b/sources/reactphysics3d/constraint/Contact.cpp
@@ -26,7 +26,7 @@ using namespace reactphysics3d;
 // Constructor
 Contact::Contact(Body* const body1, Body* const body2, const Vector3D& normal,
                  const std::vector<const Vector3D* const>& points)
-                 :Constraint(body1, body2), normal(normal) {
+                 :Constraint(body1, body2), normal(normal), points(points) {
 
 }
 
diff --git a/sources/reactphysics3d/constraint/Contact.h b/sources/reactphysics3d/constraint/Contact.h
index 613eb752..7b7d96a8 100644
--- a/sources/reactphysics3d/constraint/Contact.h
+++ b/sources/reactphysics3d/constraint/Contact.h
@@ -38,7 +38,7 @@ namespace reactphysics3d {
 */
 class Contact : public Constraint {
     private :
-        Vector3D normal;                                // Normal vector of the contact
+        Vector3D normal;                                // Normal vector of the contact (From body1 toward body2)
         std::vector<const Vector3D* const> points;      // Contact points
 
     public :
@@ -47,7 +47,6 @@ class Contact : public Constraint {
         virtual ~Contact();                                                         // Destructor
 
         Vector3D getNormal() const;                     // Return the normal vector of the contact
-
 };
 
 // Return the normal vector of the contact