diff --git a/src/main/scala/uk/ac/ed/dal/structtensor/codegen/Bodygen.scala b/src/main/scala/uk/ac/ed/dal/structtensor/codegen/Bodygen.scala
index 7018638b..b069aaa3 100644
--- a/src/main/scala/uk/ac/ed/dal/structtensor/codegen/Bodygen.scala
+++ b/src/main/scala/uk/ac/ed/dal/structtensor/codegen/Bodygen.scala
@@ -177,7 +177,7 @@ extern "C"
           case true =>
             all_tensors
               .map(_.deinversifiedHead())
-              // .distinctBy(_.name)
+              .distinctBy(_.name)
               .map(t => printerr(codeLang, t))
               .mkString("\n")
           case false =>