diff --git a/xsd/netex_part_1/part1_networkDescription/netex_routeInstruction_version.xsd b/xsd/netex_part_1/part1_networkDescription/netex_routeInstruction_version.xsd
index a5783b63c..c121b2575 100644
--- a/xsd/netex_part_1/part1_networkDescription/netex_routeInstruction_version.xsd
+++ b/xsd/netex_part_1/part1_networkDescription/netex_routeInstruction_version.xsd
@@ -73,7 +73,12 @@ Rail transport, Roads and Road transport
 		<xsd:complexContent>
 			<xsd:extension base="strictContainmentAggregationStructure">
 				<xsd:sequence>
-					<xsd:element ref="RouteInstruction" maxOccurs="unbounded">
+					<xsd:element ref="RouteInstructionRef" maxOccurs="unbounded">
+						<xsd:annotation>
+							<xsd:documentation>A reference to an Instruction on how to follow a ROUTE through the network.</xsd:documentation>
+						</xsd:annotation>
+					</xsd:element>				
+					<xsd:element ref="RouteInstruction" minOccurs="0" maxOccurs="unbounded">
 						<xsd:annotation>
 							<xsd:documentation>An Instruction on how to follow a ROUTE through the network.</xsd:documentation>
 						</xsd:annotation>