1 files changed, 2 insertions, 2 deletions
diff --git a/examples/ray-tracing/main.cpp b/examples/ray-tracing/main.cpp
index 82ad01c95..a12da707d 100644
--- a/examples/ray-tracing/main.cpp
+++ b/examples/ray-tracing/main.cpp
@@ -404,13 +404,13 @@ Slang::Result initialize()
         IBufferResource::Desc asBufferDesc;
         asBufferDesc.type = IResource::Type::Buffer;
         asBufferDesc.defaultState = ResourceState::AccelerationStructure;
-        asBufferDesc.sizeInBytes = compactedSize;
+        asBufferDesc.sizeInBytes = (Size)compactedSize;
         gBLASBuffer = gDevice->createBufferResource(asBufferDesc);
         IAccelerationStructure::CreateDesc createDesc;
         createDesc.buffer = gBLASBuffer;
         createDesc.kind = IAccelerationStructure::Kind::BottomLevel;
         createDesc.offset = 0;
-        createDesc.size = compactedSize;
+        createDesc.size = (Size)compactedSize;
         gDevice->createAccelerationStructure(createDesc, gBLAS.writeRef());
 
         commandBuffer = gTransientHeaps[0]->createCommandBuffer();