diff --git a/libraries/render-utils/src/Model.cpp b/libraries/render-utils/src/Model.cpp
index eddda41d5e..acc84646c5 100644
--- a/libraries/render-utils/src/Model.cpp
+++ b/libraries/render-utils/src/Model.cpp
@@ -573,7 +573,7 @@ bool Model::addToScene(const render::ScenePointer& scene,
 
     bool somethingAdded = false;
     if (_collisionGeometry) {
-        if (_collisionRenderItems.empty()) {
+        if (_collisionRenderItemsMap.empty()) {
             foreach (auto renderItem, _collisionRenderItems) {
                 auto item = scene->allocateID();
                 auto renderPayload = std::make_shared<MeshPartPayload::Payload>(renderItem);
@@ -583,7 +583,7 @@ bool Model::addToScene(const render::ScenePointer& scene,
                 transaction.resetItem(item, renderPayload);
                 _collisionRenderItemsMap.insert(item, renderPayload);
             }
-            somethingAdded = !_collisionRenderItems.empty();
+            somethingAdded = !_collisionRenderItemsMap.empty();
         }
     } else {
         if (_modelMeshRenderItemsMap.empty()) {
@@ -632,7 +632,7 @@ void Model::removeFromScene(const render::ScenePointer& scene, render::Transacti
         transaction.removeItem(item);
     }
     _collisionRenderItems.clear();
-    _collisionRenderItems.clear();
+    _collisionRenderItemsMap.clear();
     _addedToScene = false;
 
     _renderInfoVertexCount = 0;