diff --git a/WebARKit/WebARKitManager.cpp b/WebARKit/WebARKitManager.cpp
index 703b4da..099489f 100644
--- a/WebARKit/WebARKitManager.cpp
+++ b/WebARKit/WebARKitManager.cpp
@@ -111,7 +111,7 @@ cv::Mat WebARKitManager::getGLViewMatrix() {
 
 std::array<double, 16> WebARKitManager::getTransformationMatrix() {
     std::array<double, 16> transformationMatrix;
-    webarkit::arglCameraViewRHf(m_tracker->getPoseMatrix(), transformationMatrix, 1.0f);
+    webarkit::arglCameraViewRHf((float (*)[4])m_tracker->getPoseMatrix2(), (float*)transformationMatrix.data(), 1.0f);
     return transformationMatrix;
 }
 
diff --git a/WebARKit/WebARKitTrackers/WebARKitOpticalTracking/WebARKitTracker.cpp b/WebARKit/WebARKitTrackers/WebARKitOpticalTracking/WebARKitTracker.cpp
index 4667dcd..2d6ed35 100644
--- a/WebARKit/WebARKitTrackers/WebARKitOpticalTracking/WebARKitTracker.cpp
+++ b/WebARKit/WebARKitTrackers/WebARKitOpticalTracking/WebARKitTracker.cpp
@@ -183,6 +183,9 @@ class WebARKitTracker::WebARKitTrackerImpl {
 
     float* getPoseMatrix2() { return (float*)_patternTrackingInfo.trans; }
 
+    //float[3][4] getPoseMatrix3() { return _patternTrackingInfo.trans; }
+    //float (*getPoseMatrix3())[3][4] { return &_patternTrackingInfo.trans; }
+
     cv::Mat getGLViewMatrix() { return _patternTrackingInfo.glViewMatrix; };
 
     std::array<double, 16> getCameraProjectionMatrix() { return m_cameraProjectionMatrix; };
@@ -813,6 +816,9 @@ cv::Mat WebARKitTracker::getPoseMatrix() { return _trackerImpl->getPoseMatrix();
 
 float* WebARKitTracker::getPoseMatrix2() { return _trackerImpl->getPoseMatrix2(); }
 
+//float[3][4] WebARKitTracker::getPoseMatrix3() { return _trackerImpl->getPoseMatrix3(); }
+//float (*WebARKitTracker::getPoseMatrix3())[3][4]) { return &_trackerImpl->getPoseMatrix3(); }
+
 cv::Mat WebARKitTracker::getGLViewMatrix() { return _trackerImpl->getGLViewMatrix(); }
 
 std::array<double, 16> WebARKitTracker::getCameraProjectionMatrix() {
diff --git a/WebARKit/WebARKitTrackers/WebARKitOpticalTracking/include/WebARKitTrackers/WebARKitOpticalTracking/WebARKitTracker.h b/WebARKit/WebARKitTrackers/WebARKitOpticalTracking/include/WebARKitTrackers/WebARKitOpticalTracking/WebARKitTracker.h
index edd4c5e..6494877 100644
--- a/WebARKit/WebARKitTrackers/WebARKitOpticalTracking/include/WebARKitTrackers/WebARKitOpticalTracking/WebARKitTracker.h
+++ b/WebARKit/WebARKitTrackers/WebARKitOpticalTracking/include/WebARKitTrackers/WebARKitOpticalTracking/WebARKitTracker.h
@@ -35,6 +35,8 @@ class WebARKitTracker {
     
     float* getPoseMatrix2();
 
+    //float (*WebARKitTracker::getPoseMatrix3()[3][4]);
+
     cv::Mat getGLViewMatrix();
 
     std::array<double, 16> getCameraProjectionMatrix();