diff --git a/velox/vector/BaseVector.h b/velox/vector/BaseVector.h
index d2d6627325c8..7a6b2d9349e2 100644
--- a/velox/vector/BaseVector.h
+++ b/velox/vector/BaseVector.h
@@ -795,7 +795,9 @@ class BaseVector {
   }
 
   void clearContainingLazyAndWrapped() {
-    containsLazyAndIsWrapped_ = false;
+    if (containsLazyAndIsWrapped_) {
+      containsLazyAndIsWrapped_ = false;
+    }
   }
 
   bool memoDisabled() const {
@@ -919,7 +921,7 @@ class BaseVector {
   // unloaded lazy vector should not be wrapped by two separate top level
   // vectors. This would ensure we avoid it being loaded for two separate set
   // of rows.
-  bool containsLazyAndIsWrapped_{false};
+  std::atomic_bool containsLazyAndIsWrapped_{false};
 
   // Whether we should use Expr::evalWithMemo to cache the result of evaluation
   // on dictionary values (this vector).  Set to false when the dictionary