diff --git a/runtime/queries/ecma/folds.scm b/runtime/queries/ecma/folds.scm
index a348f3444..b7a7f4bbe 100644
--- a/runtime/queries/ecma/folds.scm
+++ b/runtime/queries/ecma/folds.scm
@@ -21,4 +21,5 @@
   (object)
   (generator_function)
   (generator_function_declaration)
+  (pair)
 ] @fold