diff --git a/winml/lib/Api.Ort/OnnxruntimeEngine.cpp b/winml/lib/Api.Ort/OnnxruntimeEngine.cpp
index 1a0b4d24e4..7d2dcec6db 100644
--- a/winml/lib/Api.Ort/OnnxruntimeEngine.cpp
+++ b/winml/lib/Api.Ort/OnnxruntimeEngine.cpp
@@ -564,6 +564,7 @@ OnnxruntimeEngineFactory* OnnxruntimeEngine::GetEngineFactory() {
 }
 
 HRESULT OnnxruntimeEngine::CreateTensorValueFromDefaultAllocator(const int64_t* shape, size_t count, winml::TensorKind kind, _Out_ IValue** out) {
+  *out = nullptr;
   auto ort_api = engine_factory_->UseOrtApi();
 
   OrtAllocator* ort_allocator;
diff --git a/winml/lib/Api.Ort/OnnxruntimeEngineBuilder.cpp b/winml/lib/Api.Ort/OnnxruntimeEngineBuilder.cpp
index 9b27f553eb..5a1fbd887c 100644
--- a/winml/lib/Api.Ort/OnnxruntimeEngineBuilder.cpp
+++ b/winml/lib/Api.Ort/OnnxruntimeEngineBuilder.cpp
@@ -20,6 +20,7 @@ HRESULT OnnxruntimeEngineBuilder::RuntimeClassInitialize(_In_ OnnxruntimeEngineF
 }
 
 STDMETHODIMP OnnxruntimeEngineBuilder::CreateEngine(_Outptr_ _winml::IEngine** out) {
+  *out = nullptr;
   auto ort_api = engine_factory_->UseOrtApi();
 
   Microsoft::WRL::ComPtr<IOrtSessionBuilder> onnxruntime_session_builder;