diff --git a/METdbLoad/ush/load_specification_schema.xsd b/METdbLoad/ush/load_specification_schema.xsd
index 4e93fd31..00535268 100644
--- a/METdbLoad/ush/load_specification_schema.xsd
+++ b/METdbLoad/ush/load_specification_schema.xsd
@@ -161,7 +161,7 @@
                             <xs:element name="line_type" minOccurs="0" maxOccurs="1">
                                <xs:complexType>
                                   <xs:sequence>
-                                     <xs:element type="xs:string" name="val" maxOccurs="800" minOccurs="0"/>
+                                     <xs:element type="linetype" name="val" maxOccurs="800" minOccurs="0"/>
                                   </xs:sequence>
                                </xs:complexType>
                             </xs:element>