diff --git a/src/ExecutionContext.re b/src/ExecutionContext.re
index 49499ae..e4210cf 100644
--- a/src/ExecutionContext.re
+++ b/src/ExecutionContext.re
@@ -22,5 +22,5 @@ external name: t => string = "";
  */
 [@bs.send]
 external queryObjects:
-  (t, ~prototypeHandle: JSHandle.t('a)) => JSHandle.t(array(Js.t({..}))) =
+  (t, ~prototypeHandle: JSHandle.t('a)) => JSHandle.t(array('b)) =
   "";