diff --git a/app/views/console/functions/function.phtml b/app/views/console/functions/function.phtml
index 80806fed56..004e0e6db9 100644
--- a/app/views/console/functions/function.phtml
+++ b/app/views/console/functions/function.phtml
@@ -841,6 +841,8 @@ sort($patterns);
         data-failure-param-alert-text="Failed to execute function"
         data-failure-param-alert-classname="error">
 
+        <input name="async" data-cast-to="bool" value="true" type="hidden" />
+
         <label for="execution-data">Custom Data</label>
         <textarea id="execution-data" name="data" autocomplete="off" class="margin-bottom" placeholder="Data string (optional)"></textarea>