diff --git a/OJP/OJP_Trips.xsd b/OJP/OJP_Trips.xsd
index d56b4da56..3ccef1527 100644
--- a/OJP/OJP_Trips.xsd
+++ b/OJP/OJP_Trips.xsd
@@ -833,7 +833,7 @@
 		</xs:annotation>
 		<xs:sequence>
 			<xs:group ref="BaseTripPolicyGroup"/>
-			<xs:element name="TransferLimit" type="xs:positiveInteger" minOccurs="0">
+			<xs:element name="TransferLimit" type="xs:nonNegativeInteger" minOccurs="0">
 				<xs:annotation>
 					<xs:documentation>The maximum number of interchanges the user will accept per trip.</xs:documentation>
 				</xs:annotation>