diff --git a/xsd/netex_framework/netex_reusableComponents/netex_vehicleType_version.xsd b/xsd/netex_framework/netex_reusableComponents/netex_vehicleType_version.xsd
index 661017027..f8f8c529e 100644
--- a/xsd/netex_framework/netex_reusableComponents/netex_vehicleType_version.xsd
+++ b/xsd/netex_framework/netex_reusableComponents/netex_vehicleType_version.xsd
@@ -109,7 +109,7 @@ Rail transport, Roads and Road transport
 			<xsd:documentation>Dummy type to work around SG limitations</xsd:documentation>
 		</xsd:annotation>
 	</xsd:element>
-	<xsd:element name="TransportType" substitutionGroup="TransportType_DummyType">
+	<xsd:element name="TransportType" abstract="true" substitutionGroup="TransportType_DummyType">
 		<xsd:annotation>
 			<xsd:documentation>A classification of any type of VEHICLE according to its properties.</xsd:documentation>
 		</xsd:annotation>