diff --git a/asterix-common/src/main/resources/schema/cluster.xsd b/asterix-common/src/main/resources/schema/cluster.xsd
index 935d33f..ae09b16 100644
--- a/asterix-common/src/main/resources/schema/cluster.xsd
+++ b/asterix-common/src/main/resources/schema/cluster.xsd
@@ -123,6 +123,7 @@
 				<xs:element ref="cl:txn_log_dir" minOccurs="0" />
 				<xs:element ref="cl:iodevices" minOccurs="0" />
 				<xs:element ref="cl:debug_port" minOccurs="0" />
+				<xs:element ref="cl:replication_port" minOccurs="0" />
 			</xs:sequence>
 		</xs:complexType>
 	</xs:element>