diff --git a/aten/src/ATen/core/PythonFallbackKernel.cpp b/aten/src/ATen/core/PythonFallbackKernel.cpp
index ace0b5e8949..fcdb018b6ff 100644
--- a/aten/src/ATen/core/PythonFallbackKernel.cpp
+++ b/aten/src/ATen/core/PythonFallbackKernel.cpp
@@ -73,7 +73,7 @@ void pythonFallback(const c10::OperatorHandle& op, torch::jit::Stack* stack) {
         (*interpreter)->dispatch(op, stack);
         return;
       }
-    } else if (ivalue.isTensorList()) {
+    } else if (ivalue.isTensorList() || (ivalue.isOptionalTensorList() && !ivalue.isNone())) {
       // NB: use toListRef as it doesn't induce refcount bumps (toTensorListRef
       // is not a thing)
       for (const auto& nv : ivalue.toListRef()) {