diff --git a/renderdoc/driver/d3d12/d3d12_debug.cpp b/renderdoc/driver/d3d12/d3d12_debug.cpp
index d4d969ec8..af47abc52 100644
--- a/renderdoc/driver/d3d12/d3d12_debug.cpp
+++ b/renderdoc/driver/d3d12/d3d12_debug.cpp
@@ -247,6 +247,9 @@ D3D12DebugManager::D3D12DebugManager(WrappedID3D12Device *wrapper)
       RDCERR("Failed to create readback command list, HRESULT: 0x%08x", hr);
       return;
     }
+
+    if(m_ReadbackList)
+      m_ReadbackList->Close();
   }
 
   RenderDoc::Inst().SetProgress(DebugManagerInit, 0.2f);