diff --git a/wpilibc/src/main/native/include/frc/trajectory/Trajectory.h b/wpilibc/src/main/native/include/frc/trajectory/Trajectory.h
index cc1149b9ae..6ecba9bb38 100644
--- a/wpilibc/src/main/native/include/frc/trajectory/Trajectory.h
+++ b/wpilibc/src/main/native/include/frc/trajectory/Trajectory.h
@@ -129,7 +129,7 @@ class Trajectory {
 
  private:
   std::vector<State> m_states;
-  units::second_t m_totalTime;
+  units::second_t m_totalTime = 0_s;
 
   /**
    * Linearly interpolates between two values.