diff --git a/src/V3Dfg.h b/src/V3Dfg.h
index 94fcac4ed..c0c55e5df 100644
--- a/src/V3Dfg.h
+++ b/src/V3Dfg.h
@@ -228,6 +228,9 @@ public:
         if (const AstPackArrayDType* const typep = VN_CAST(dtypep, PackArrayDType)) {
             return isSupportedDType(typep->subDTypep());
         }
+        if (const AstNodeUOrStructDType* const typep = VN_CAST(dtypep, NodeUOrStructDType)) {
+            return typep->packed();
+        }
         return false;
     }