diff --git a/frc971/control_loops/drivetrain/drivetrain.cc b/frc971/control_loops/drivetrain/drivetrain.cc
index 77d5781..c815b8d 100644
--- a/frc971/control_loops/drivetrain/drivetrain.cc
+++ b/frc971/control_loops/drivetrain/drivetrain.cc
@@ -125,7 +125,7 @@
 
     const ::aos::controls::HPolytope<2> U_Poly_;
     Eigen::Matrix<double, 2, 2> T, T_inverse;
-    bool output_was_capped_;
+    bool output_was_capped_ = false;;
   };
 
   DrivetrainMotorsSS()