diff --git a/renderdoc/driver/d3d12/d3d12_device.cpp b/renderdoc/driver/d3d12/d3d12_device.cpp
index 35cd87a5e..e1cd8769c 100644
--- a/renderdoc/driver/d3d12/d3d12_device.cpp
+++ b/renderdoc/driver/d3d12/d3d12_device.cpp
@@ -3117,7 +3117,7 @@ void WrappedID3D12Device::UploadBLASBufferAddresses()
   addressBufferResDesc.MipLevels = 1;
   addressBufferResDesc.SampleDesc.Count = 1;
   addressBufferResDesc.SampleDesc.Quality = 0;
-  addressBufferResDesc.Width = requiredSize;
+  addressBufferResDesc.Width = RDCMAX(8ULL, requiredSize);
 
   D3D12_HEAP_PROPERTIES heapProps;
   heapProps.Type = D3D12_HEAP_TYPE_UPLOAD;
diff --git a/renderdoc/driver/d3d12/d3d12_manager.cpp b/renderdoc/driver/d3d12/d3d12_manager.cpp
index c9eb6827a..1261f94e2 100644
--- a/renderdoc/driver/d3d12/d3d12_manager.cpp
+++ b/renderdoc/driver/d3d12/d3d12_manager.cpp
@@ -835,6 +835,8 @@ void D3D12RaytracingResourceAndUtilHandler::InitReplayBlasPatchingResources()
         if(!SUCCEEDED(result))
           RDCERR("Unable to create pipeline for patching the BLAS");
       }
+
+      SAFE_RELEASE(rootSig);
     }
   }
   else
diff --git a/renderdoc/driver/d3d12/d3d12_manager.h b/renderdoc/driver/d3d12/d3d12_manager.h
index 76c2a3415..a89fd9f84 100644
--- a/renderdoc/driver/d3d12/d3d12_manager.h
+++ b/renderdoc/driver/d3d12/d3d12_manager.h
@@ -1053,6 +1053,8 @@ public:
     SAFE_RELEASE(m_cmdAlloc);
     SAFE_RELEASE(m_cmdQueue);
     SAFE_RELEASE(m_gpuFence);
+    SAFE_RELEASE(m_accStructPatchInfo.m_rootSignature);
+    SAFE_RELEASE(m_accStructPatchInfo.m_pipeline);
   }
 
   void InitInternalResources();