diff --git a/pdbApp/pvif.cpp b/pdbApp/pvif.cpp
index 2a681a5..13ed17b 100644
--- a/pdbApp/pvif.cpp
+++ b/pdbApp/pvif.cpp
@@ -682,6 +682,7 @@ ScalarBuilder::dtype(dbChannel *channel)
     if(dbr==DBR_ENUM)
         builder = builder->setId("epics:nt/NTEnum:1.0")
                          ->addNestedStructure("value")
+                            ->setId("enum_t")
                             ->add("index", pvd::pvInt)
                             ->addArray("choices", pvd::pvString)
                          ->endNested();