diff --git a/libraries/gpu/src/gpu/GLBackendTransform.cpp b/libraries/gpu/src/gpu/GLBackendTransform.cpp
index 99db7b38e8..4a55155a86 100755
--- a/libraries/gpu/src/gpu/GLBackendTransform.cpp
+++ b/libraries/gpu/src/gpu/GLBackendTransform.cpp
@@ -97,7 +97,12 @@ void GLBackend::TransformStageState::preUpdate(size_t commandIndex, const Stereo
 
     if (_invalidModel) {
         _model.getMatrix(_object._model);
-        _model.getInverseMatrix(_object._modelInverse);
+
+        // FIXME - we don't want to be using glm::inverse() here but it fixes the flickering issue we are 
+        // seeing with planky blocks in toybox. Our implementation of getInverseMatrix() is buggy in cases
+        // of non-uniform scale. We need to fix that. In the mean time, glm::inverse() works.
+        //_model.getInverseMatrix(_object._modelInverse);
+        _object._modelInverse = glm::inverse(_object._model);
     }
 
     if (_invalidView || _invalidProj || _invalidViewport) {