diff --git a/Source/core/html/shadow/DateTimeEditElement.cpp b/Source/core/html/shadow/DateTimeEditElement.cpp
index 6654f86..1573712 100644
--- a/Source/core/html/shadow/DateTimeEditElement.cpp
+++ b/Source/core/html/shadow/DateTimeEditElement.cpp
@@ -409,7 +409,7 @@
             element->appendChild(Text::create(m_editElement.document(), String(&rightToLeftMark, 1)));
     }
     element->appendChild(Text::create(m_editElement.document(), text));
-    m_editElement.fieldsWrapperElement()->appendChild(element);
+    m_editElement.fieldsWrapperElement()->appendChild(element, ASSERT_NO_EXCEPTION, AttachLazily);
 }
 
 DateTimeNumericFieldElement::Step DateTimeEditBuilder::createStep(double msPerFieldUnit, double msPerFieldSize) const
@@ -463,7 +463,7 @@
     if (m_fields.size() == m_fields.capacity())
         return;
     m_fields.append(field.get());
-    fieldsWrapperElement()->appendChild(field);
+    fieldsWrapperElement()->appendChild(field, ASSERT_NO_EXCEPTION, AttachLazily);
 }
 
 bool DateTimeEditElement::anyEditableFieldsHaveValues() const
@@ -652,7 +652,7 @@
     if (!firstChild()) {
         RefPtr<HTMLDivElement> element = HTMLDivElement::create(document());
         element->setPseudo(fieldsWrapperPseudoId);
-        appendChild(element.get());
+        appendChild(element.get(), ASSERT_NO_EXCEPTION, AttachLazily);
     }
     Element* fieldsWrapper = fieldsWrapperElement();