diff --git a/src/D3D12MemAlloc.cpp b/src/D3D12MemAlloc.cpp
index ff82d46..fdbbea9 100644
--- a/src/D3D12MemAlloc.cpp
+++ b/src/D3D12MemAlloc.cpp
@@ -3386,6 +3386,7 @@ HRESULT AllocatorPimpl::CreateResource(
             else
             {
                 (*ppAllocation)->Release();
+                *ppAllocation = NULL;
                 return hr;
             }
         }