diff --git a/include/slang-rhi.h b/include/slang-rhi.h
index 3acc2e0..02378ea 100644
--- a/include/slang-rhi.h
+++ b/include/slang-rhi.h
@@ -2517,7 +2517,7 @@ inline AdapterList rhiGetAdapters(DeviceType type)
 struct D3D12ExperimentalFeaturesDesc
 {
     StructType structType = StructType::D3D12ExperimentalFeaturesDesc;
-    uint32_t numFeatures;
+    uint32_t featureCount;
     const void* featureIIDs;
     void* configurationStructs;
     uint32_t* configurationStructSizes;
diff --git a/src/d3d12/d3d12-device.cpp b/src/d3d12/d3d12-device.cpp
index 39fda6d..efc6827 100644
--- a/src/d3d12/d3d12-device.cpp
+++ b/src/d3d12/d3d12-device.cpp
@@ -1639,7 +1639,7 @@ void DeviceImpl::processExperimentalFeaturesDesc(SharedLibraryHandle d3dModule,
         return;
     }
     if (!SLANG_SUCCEEDED(enableExperimentalFeaturesFunc(
-            desc.numFeatures,
+            desc.featureCount,
             (IID*)desc.featureIIDs,
             desc.configurationStructs,
             desc.configurationStructSizes