diff --git a/renderdoc/driver/d3d11/d3d11_context.cpp b/renderdoc/driver/d3d11/d3d11_context.cpp
index 9adf4394b..d68e86897 100644
--- a/renderdoc/driver/d3d11/d3d11_context.cpp
+++ b/renderdoc/driver/d3d11/d3d11_context.cpp
@@ -608,7 +608,7 @@ void WrappedID3D11DeviceContext::ProcessChunk(uint64_t offset, D3D11ChunkType ch
 		}
 	}
 	
-	RDCASSERT(WrappedID3D11DeviceContext::IsAlloc(context));
+	RDCASSERTMSG("Context is invalid", WrappedID3D11DeviceContext::IsAlloc(context), ctxId, context);
 	
 	LogState state = context->m_State;