diff --git a/src/tint/transform/calculate_array_length.cc b/src/tint/transform/calculate_array_length.cc
index a25c89e..9f5b659 100644
--- a/src/tint/transform/calculate_array_length.cc
+++ b/src/tint/transform/calculate_array_length.cc
@@ -71,7 +71,7 @@
 }  // namespace
 
 CalculateArrayLength::BufferSizeIntrinsic::BufferSizeIntrinsic(ProgramID pid, ast::NodeID nid)
-    : Base(pid, nid) {}
+    : Base(pid, nid, utils::Empty) {}
 CalculateArrayLength::BufferSizeIntrinsic::~BufferSizeIntrinsic() = default;
 std::string CalculateArrayLength::BufferSizeIntrinsic::InternalName() const {
     return "intrinsic_buffer_size";