diff --git a/engine/src/bullet/native/com_jme3_bullet_joints_ConeJoint.cpp b/engine/src/bullet/native/com_jme3_bullet_joints_ConeJoint.cpp
index a6d33435d..ad64cd596 100644
--- a/engine/src/bullet/native/com_jme3_bullet_joints_ConeJoint.cpp
+++ b/engine/src/bullet/native/com_jme3_bullet_joints_ConeJoint.cpp
@@ -73,12 +73,12 @@ extern "C" {
         jmeClasses::initJavaClasses(env);
         btRigidBody* bodyA = (btRigidBody*) bodyIdA;
         btRigidBody* bodyB = (btRigidBody*) bodyIdB;
-        btMatrix3x3* mtx1 = &btMatrix3x3();
-        btMatrix3x3* mtx2 = &btMatrix3x3();
-        btTransform transA = btTransform(*mtx1);
+        btMatrix3x3 mtx1 = btMatrix3x3();
+        btMatrix3x3 mtx2 = btMatrix3x3();
+        btTransform transA = btTransform(mtx1);
         jmeBulletUtil::convert(env, pivotA, &transA.getOrigin());
         jmeBulletUtil::convert(env, rotA, &transA.getBasis());
-        btTransform transB = btTransform(*mtx2);
+        btTransform transB = btTransform(mtx2);
         jmeBulletUtil::convert(env, pivotB, &transB.getOrigin());
         jmeBulletUtil::convert(env, rotB, &transB.getBasis());
         btConeTwistConstraint* joint = new btConeTwistConstraint(*bodyA, *bodyB, transA, transB);
diff --git a/engine/src/bullet/native/com_jme3_bullet_joints_Point2PointJoint.cpp b/engine/src/bullet/native/com_jme3_bullet_joints_Point2PointJoint.cpp
index 7dd15e81a..e32455571 100644
--- a/engine/src/bullet/native/com_jme3_bullet_joints_Point2PointJoint.cpp
+++ b/engine/src/bullet/native/com_jme3_bullet_joints_Point2PointJoint.cpp
@@ -117,11 +117,11 @@ extern "C" {
         btRigidBody* bodyA = (btRigidBody*) bodyIdA;
         btRigidBody* bodyB = (btRigidBody*) bodyIdB;
         //TODO: matrix not needed?
-        btMatrix3x3* mtx1=&btMatrix3x3();
-        btMatrix3x3* mtx2=&btMatrix3x3();
-        btTransform transA = btTransform(*mtx1);
+        btMatrix3x3 mtx1=btMatrix3x3();
+        btMatrix3x3 mtx2=btMatrix3x3();
+        btTransform transA = btTransform(mtx1);
         jmeBulletUtil::convert(env, pivotA, &transA.getOrigin());
-        btTransform transB = btTransform(*mtx2);
+        btTransform transB = btTransform(mtx2);
         jmeBulletUtil::convert(env, pivotB, &transB.getOrigin());
         btHingeConstraint* joint = new btHingeConstraint(*bodyA, *bodyB, transA, transB);
         return (long) joint;
diff --git a/engine/src/bullet/native/com_jme3_bullet_joints_SixDofJoint.cpp b/engine/src/bullet/native/com_jme3_bullet_joints_SixDofJoint.cpp
index d3037ed7c..cb201561d 100644
--- a/engine/src/bullet/native/com_jme3_bullet_joints_SixDofJoint.cpp
+++ b/engine/src/bullet/native/com_jme3_bullet_joints_SixDofJoint.cpp
@@ -124,12 +124,12 @@ extern "C" {
         jmeClasses::initJavaClasses(env);
         btRigidBody* bodyA = (btRigidBody*) bodyIdA;
         btRigidBody* bodyB = (btRigidBody*) bodyIdB;
-        btMatrix3x3* mtx1 = &btMatrix3x3();
-        btMatrix3x3* mtx2 = &btMatrix3x3();
-        btTransform transA = btTransform(*mtx1);
+        btMatrix3x3 mtx1 = btMatrix3x3();
+        btMatrix3x3 mtx2 = btMatrix3x3();
+        btTransform transA = btTransform(mtx1);
         jmeBulletUtil::convert(env, pivotA, &transA.getOrigin());
         jmeBulletUtil::convert(env, rotA, &transA.getBasis());
-        btTransform transB = btTransform(*mtx2);
+        btTransform transB = btTransform(mtx2);
         jmeBulletUtil::convert(env, pivotB, &transB.getOrigin());
         jmeBulletUtil::convert(env, rotB, &transB.getBasis());
         btGeneric6DofConstraint* joint = new btGeneric6DofConstraint(*bodyA, *bodyB, transA, transB, useLinearReferenceFrameA);
diff --git a/engine/src/bullet/native/com_jme3_bullet_joints_SliderJoint.cpp b/engine/src/bullet/native/com_jme3_bullet_joints_SliderJoint.cpp
index 89146d006..7922ac968 100644
--- a/engine/src/bullet/native/com_jme3_bullet_joints_SliderJoint.cpp
+++ b/engine/src/bullet/native/com_jme3_bullet_joints_SliderJoint.cpp
@@ -666,12 +666,12 @@ extern "C" {
         jmeClasses::initJavaClasses(env);
         btRigidBody* bodyA = (btRigidBody*) bodyIdA;
         btRigidBody* bodyB = (btRigidBody*) bodyIdB;
-        btMatrix3x3* mtx1=&btMatrix3x3();
-        btMatrix3x3* mtx2=&btMatrix3x3();
-        btTransform transA = btTransform(*mtx1);
+        btMatrix3x3 mtx1=btMatrix3x3();
+        btMatrix3x3 mtx2=btMatrix3x3();
+        btTransform transA = btTransform(mtx1);
         jmeBulletUtil::convert(env, pivotA, &transA.getOrigin());
         jmeBulletUtil::convert(env, rotA, &transA.getBasis());
-        btTransform transB = btTransform(*mtx2);
+        btTransform transB = btTransform(mtx2);
         jmeBulletUtil::convert(env, pivotB, &transB.getOrigin());
         jmeBulletUtil::convert(env, rotB, &transB.getBasis());
         btSliderConstraint* joint = new btSliderConstraint(*bodyA, *bodyB, transA, transB, useLinearReferenceFrameA);