1 files changed, 1 insertions, 1 deletions
diff --git a/src/passes/DataFlowOpts.cpp b/src/passes/DataFlowOpts.cpp
index d4a3cc087..cf0092d37 100644
--- a/src/passes/DataFlowOpts.cpp
+++ b/src/passes/DataFlowOpts.cpp
@@ -138,7 +138,7 @@ struct DataFlowOpts : public WalkerPass<PostWalker<DataFlowOpts>> {
     // XXX we should copy expr here, in principle, and definitely will need to
     //     when we do arbitrarily regenerated expressions
     auto* func = Builder(temp).makeFunction(
-      "temp", std::vector<Type>{}, none, std::vector<Type>{}, expr);
+      "temp", Signature(Type::none, Type::none), {}, expr);
     PassRunner runner(&temp);
     runner.setIsNested(true);
     runner.add("precompute");