diff --git a/base_classes/NXparameters.nxdl.xml b/base_classes/NXparameters.nxdl.xml
index 14094310ef..46e4618fea 100644
--- a/base_classes/NXparameters.nxdl.xml
+++ b/base_classes/NXparameters.nxdl.xml
@@ -27,7 +27,7 @@
     name="NXparameters" 
 	type="group" extends="NXobject">
     <doc>Container for parameters, usually used in processing or analysis.</doc>
-    <field name="TERM" minOccurs="0" maxOccurs="unbounded" type="NX_CHAR">
+    <field name="TERM" minOccurs="0" maxOccurs="unbounded" nameType="any">
         <!-- maxOccurs="unbounded" is intended but is not allowed by current syntax -->
         <doc>A parameter (also known as a term) that is used in or results from processing.</doc>
         <attribute name="units"/>