diff --git a/src/nt/ntndarrayAttribute.cpp b/src/nt/ntndarrayAttribute.cpp
index 44e647e..78d3743 100644
--- a/src/nt/ntndarrayAttribute.cpp
+++ b/src/nt/ntndarrayAttribute.cpp
@@ -33,8 +33,7 @@ StructureConstPtr NTNDArrayAttributeBuilder::createStructure()
     if (tags)
         builder->addArray("tags", pvString);
 
-    //if (descriptor)
-        builder->add("descriptor", pvString);
+    builder->add("descriptor", pvString);
 
     builder->add("sourceType", pvInt);