diff --git a/frc971/control_loops/pose.h b/frc971/control_loops/pose.h
index 20672cf..6b6628d 100644
--- a/frc971/control_loops/pose.h
+++ b/frc971/control_loops/pose.h
@@ -134,7 +134,7 @@
   // If new_base == nullptr, provides a Pose referenced to the global frame.
   // Note that the lifetime of new_base should be greater than the lifetime of
   // the returned object (unless new_base == nullptr).
-  TypedPose Rebase(const TypedPose<Scalar> *new_base) const;
+  [[nodiscard]] TypedPose Rebase(const TypedPose<Scalar> *new_base) const;
 
   // Convert this pose to the heading/distance/skew numbers that we
   // traditionally use for EKF corrections.