diff --git a/velox/expression/EvalCtx.h b/velox/expression/EvalCtx.h
index e544a2e84bcf..6f0d2e2d9718 100644
--- a/velox/expression/EvalCtx.h
+++ b/velox/expression/EvalCtx.h
@@ -524,8 +524,9 @@ class EvalCtx {
       const SelectivityVector& rows,
       const TypePtr& type,
       VectorPtr& result) {
-    BaseVector::ensureWritable(
-        rows, type, execCtx_->pool(), result, execCtx_->vectorPool());
+    BaseVector::ensureWritable(rows, type, execCtx_->pool(), result, nullptr);
+    //    BaseVector::ensureWritable(
+    //        rows, type, execCtx_->pool(), result, execCtx_->vectorPool());
   }
 
   PeeledEncoding* getPeeledEncoding() {