diff --git a/lib/VisibilityCalculator.js b/lib/VisibilityCalculator.js
index 92621a36..936284e1 100644
--- a/lib/VisibilityCalculator.js
+++ b/lib/VisibilityCalculator.js
@@ -69,8 +69,10 @@ module.exports = VisibilityCalculator = /*#__PURE__*/function () {
         }
 
         return async.each(item.contents, function (subitem, cb) {
-          return _this.processItem(subitem, isVisible === false, data, responseRow, visibilityStructure, prefix, function () {
-            return _.defer(cb);
+          return _.defer(function () {
+            return _this.processItem(subitem, isVisible === false, data, responseRow, visibilityStructure, prefix, function () {
+              return _.defer(cb);
+            });
           });
         }, callback);
       }; // Always visible if no condition has been set
diff --git a/src/VisibilityCalculator.coffee b/src/VisibilityCalculator.coffee
index ab140098..3dc830b7 100644
--- a/src/VisibilityCalculator.coffee
+++ b/src/VisibilityCalculator.coffee
@@ -48,10 +48,11 @@ module.exports = class VisibilityCalculator
         visibilityStructure[prefix + item._id] = isVisible
 
       async.each item.contents, (subitem, cb) =>
-        @processItem(subitem, isVisible == false, data, responseRow, visibilityStructure, prefix, -> _.defer(cb))
+        _.defer(() => 
+          @processItem(subitem, isVisible == false, data, responseRow, visibilityStructure, prefix, -> _.defer(cb))
+        )
       , callback
 
-
     # Always visible if no condition has been set
     if forceToInvisible
       isVisible = false