diff --git a/src/nt/ntndarray.cpp b/src/nt/ntndarray.cpp
index 6b7f278..e3aef97 100644
--- a/src/nt/ntndarray.cpp
+++ b/src/nt/ntndarray.cpp
@@ -91,7 +91,7 @@ StructureConstPtr NTNDArrayBuilder::createStructure()
             attributeStruc = fb->setId(ntAttrStr)->
 		        add("name", pvString)->
 			    add("value", fieldCreate->createVariantUnion())->
-			    add("description", pvString)->
+			    add("descriptor", pvString)->
                 add("sourceType", pvInt)->
                 add("source", pvString)->
                createStructure();