diff --git a/wpimath/src/test/java/edu/wpi/first/math/trajectory/TrajectoryJsonTest.java b/wpimath/src/test/java/edu/wpi/first/math/trajectory/TrajectoryJsonTest.java
index 1d3c4303bb..3c6627fb3f 100644
--- a/wpimath/src/test/java/edu/wpi/first/math/trajectory/TrajectoryJsonTest.java
+++ b/wpimath/src/test/java/edu/wpi/first/math/trajectory/TrajectoryJsonTest.java
@@ -16,7 +16,7 @@ class TrajectoryJsonTest {
   @Test
   void deserializeMatches() {
     var config =
-        List.of(new DifferentialDriveKinematicsConstraint(new DifferentialDriveKinematics(20), 3));
+        List.of(new DifferentialDriveKinematicsConstraint(new DifferentialDriveKinematics(0.5), 3));
     var trajectory = TrajectoryGeneratorTest.getTrajectory(config);
 
     var deserialized =