diff --git a/pages/UI.php b/pages/UI.php
index 06d3b8c732..b22a866706 100644
--- a/pages/UI.php
+++ b/pages/UI.php
@@ -1206,6 +1206,12 @@ try
 			oWizardHelper.SetFieldsMap($sJsonFieldsMap);
 			oWizardHelper.SetFieldsCount($iFieldsCount);
 EOF
+);
+			$oP->add_ready_script(
+<<<EOF
+			// Starts the validation when the page is ready
+			CheckFields('apply_stimulus', false);
+EOF
 );
 		}
 		else