diff --git a/libraries/entities-renderer/src/RenderableModelEntityItem.cpp b/libraries/entities-renderer/src/RenderableModelEntityItem.cpp
index 9f4ff63548..d63361538a 100644
--- a/libraries/entities-renderer/src/RenderableModelEntityItem.cpp
+++ b/libraries/entities-renderer/src/RenderableModelEntityItem.cpp
@@ -874,7 +874,7 @@ void RenderableModelEntityItem::computeShapeInfo(ShapeInfo& info) {
                     }
 
                     // store uniqueIndices in triangleIndices
-                    triangleIndices.reserve(triangleIndices.size() + uniqueIndices.size());
+                    triangleIndices.reserve(triangleIndices.size() + (int32_t)uniqueIndices.size());
                     for (auto index : uniqueIndices) {
                         triangleIndices.push_back(index);
                     }
diff --git a/libraries/physics/src/ShapeFactory.cpp b/libraries/physics/src/ShapeFactory.cpp
index e47a0fe8a2..944e05e571 100644
--- a/libraries/physics/src/ShapeFactory.cpp
+++ b/libraries/physics/src/ShapeFactory.cpp
@@ -313,7 +313,7 @@ btCollisionShape* ShapeFactory::createShapeFromInfo(const ShapeInfo& info) {
                         }
                     }
                 }
-                uint32_t numHulls = hulls.size();
+                uint32_t numHulls = (uint32_t)hulls.size();
                 if (numHulls == 1) {
                     shape = hulls[0];
                 } else {