diff --git a/libraries/entities-renderer/src/RenderablePolyVoxEntityItem.cpp b/libraries/entities-renderer/src/RenderablePolyVoxEntityItem.cpp
index 5fe2844176..47ef598502 100644
--- a/libraries/entities-renderer/src/RenderablePolyVoxEntityItem.cpp
+++ b/libraries/entities-renderer/src/RenderablePolyVoxEntityItem.cpp
@@ -1188,7 +1188,9 @@ void RenderablePolyVoxEntityItem::setMesh(model::MeshPointer mesh) {
     // this catches the payload from getMesh
     bool neighborsNeedUpdate;
     withWriteLock([&] {
-        _dirtyFlags |= Simulation::DIRTY_SHAPE | Simulation::DIRTY_MASS;
+        if (!_collisionless) {
+            _dirtyFlags |= Simulation::DIRTY_SHAPE | Simulation::DIRTY_MASS;
+        }
         _mesh = mesh;
         _meshDirty = true;
         _meshInitialized = true;