diff --git a/src/backend/d3d12/BufferD3D12.cpp b/src/backend/d3d12/BufferD3D12.cpp
index 6222516219..1836660233 100644
--- a/src/backend/d3d12/BufferD3D12.cpp
+++ b/src/backend/d3d12/BufferD3D12.cpp
@@ -100,7 +100,7 @@ namespace d3d12 {
     }
 
     void Buffer::SetSubDataImpl(uint32_t start, uint32_t count, const uint32_t* data) {
-        device->GetResourceUploader()->UploadToBuffer(resource, start * sizeof(uint32_t), count * sizeof(uint32_t), reinterpret_cast<const uint8_t*>(data));
+        device->GetResourceUploader()->BufferSubData(resource, start * sizeof(uint32_t), count * sizeof(uint32_t), data);
     }
 
     void Buffer::MapReadAsyncImpl(uint32_t serial, uint32_t start, uint32_t count) {
diff --git a/src/backend/d3d12/ResourceUploader.cpp b/src/backend/d3d12/ResourceUploader.cpp
index fde5ac4ae7..80f113749f 100644
--- a/src/backend/d3d12/ResourceUploader.cpp
+++ b/src/backend/d3d12/ResourceUploader.cpp
@@ -23,7 +23,7 @@ namespace d3d12 {
     ResourceUploader::ResourceUploader(Device* device) : device(device) {
     }
 
-    void ResourceUploader::UploadToBuffer(ComPtr<ID3D12Resource> resource, uint32_t start, uint32_t count, const uint8_t* data) {
+    void ResourceUploader::BufferSubData(ComPtr<ID3D12Resource> resource, uint32_t start, uint32_t count, const void* data) {
         // TODO(enga@google.com): Use a handle to a subset of a large ring buffer. On Release, decrease reference count on the ring buffer and free when 0.
         // Alternatively, the SerialQueue could be used to track which last point of the ringbuffer is in use, and start reusing chunks of it that aren't in flight.
         UploadHandle uploadHandle = GetUploadBuffer(count);
diff --git a/src/backend/d3d12/ResourceUploader.h b/src/backend/d3d12/ResourceUploader.h
index 12fe867149..470f0016bc 100644
--- a/src/backend/d3d12/ResourceUploader.h
+++ b/src/backend/d3d12/ResourceUploader.h
@@ -28,7 +28,7 @@ namespace d3d12 {
         public:
             ResourceUploader(Device* device);
 
-            void UploadToBuffer(ComPtr<ID3D12Resource> resource, uint32_t start, uint32_t count, const uint8_t* data);
+            void BufferSubData(ComPtr<ID3D12Resource> resource, uint32_t start, uint32_t count, const void* data);
 
         private:
             struct UploadHandle {