diff --git a/y2020/wpilib_interface.cc b/y2020/wpilib_interface.cc
index 217c6b7..b8def33 100644
--- a/y2020/wpilib_interface.cc
+++ b/y2020/wpilib_interface.cc
@@ -238,7 +238,7 @@
 
       builder.Send(drivetrain_builder.Finish());
     }
-    const auto values = constants::GetValues();
+    const constants::Values &values = constants::GetValues();
 
     {
       auto builder = superstructure_position_sender_.MakeBuilder();