1 files changed, 3 insertions, 1 deletions
diff --git a/src/ir/ExpressionManipulator.cpp b/src/ir/ExpressionManipulator.cpp
index 57048b9bd..6f64ec77b 100644
--- a/src/ir/ExpressionManipulator.cpp
+++ b/src/ir/ExpressionManipulator.cpp
@@ -227,7 +227,9 @@ flexibleCopy(Expression* original, Module& wasm, CustomCopier custom) {
         builder.makeHost(curr->op, curr->nameOperand, std::move(operands));
       return ret;
     }
-    Expression* visitRefNull(RefNull* curr) { return builder.makeRefNull(); }
+    Expression* visitRefNull(RefNull* curr) {
+      return builder.makeRefNull(curr->type);
+    }
     Expression* visitRefIsNull(RefIsNull* curr) {
       return builder.makeRefIsNull(copy(curr->value));
     }