diff --git a/examples/libs/kine/joints/KineJoint.hpp b/examples/libs/kine/joints/KineJoint.hpp
index 5757b5367..828eb8a7d 100644
--- a/examples/libs/kine/joints/KineJoint.hpp
+++ b/examples/libs/kine/joints/KineJoint.hpp
@@ -14,10 +14,10 @@ namespace kine {
     class KineJoint: public KineComponent {
 
     public:
-        const threepp::Vector3& axis;
-        const KineLimit limit;
+        threepp::Vector3 axis;
+        KineLimit limit;
 
-        KineJoint(const threepp::Vector3& axis, KineLimit limit)
+        KineJoint(const threepp::Vector3& axis, const KineLimit& limit)
             : axis(axis),
               limit(limit){};