diff --git a/public/FWEBuilding/v2.1/XSD/FWEBuilding.xsd b/public/FWEBuilding/v2.1/XSD/FWEBuilding.xsd
index 641ba01c2875bf6c7f03e84b6fb870d39c9a3d4b..fbdae2ff5378b79dca88aeba97fd07ddc69f90b6 100644
--- a/public/FWEBuilding/v2.1/XSD/FWEBuilding.xsd
+++ b/public/FWEBuilding/v2.1/XSD/FWEBuilding.xsd
@@ -53,11 +53,5 @@
       </appinfo>
     </annotation>
   </element>
-  <element name="buildingSurveyProperties" substitutionGroup="bldg:_GenericApplicationPropertyOfAbstractBuilding">
-    <complexType>
-      <sequence>
-        <element ref="FWEB:BuildingSurvey"/>
-      </sequence>
-    </complexType>
-  </element>
+  <element name="buildingSurveyProperty" substitutionGroup="bldg:_GenericApplicationPropertyOfAbstractBuilding" type="FWEB:BuildingSurveyPropertyType"/>
 </schema>