diff --git a/wpilibj/src/main/java/edu/wpi/first/wpilibj/simulation/FlywheelSim.java b/wpilibj/src/main/java/edu/wpi/first/wpilibj/simulation/FlywheelSim.java
index 785faccd0e..d26475ecb2 100644
--- a/wpilibj/src/main/java/edu/wpi/first/wpilibj/simulation/FlywheelSim.java
+++ b/wpilibj/src/main/java/edu/wpi/first/wpilibj/simulation/FlywheelSim.java
@@ -66,7 +66,7 @@ public class FlywheelSim extends LinearSystemSim<N1, N1, N1> {
    *                         constructor.
    */
   public FlywheelSim(DCMotor gearbox, double gearing, double jKgMetersSquared) {
-    super(LinearSystemId.createFlywheelSystem(gearbox, gearing, jKgMetersSquared));
+    super(LinearSystemId.createFlywheelSystem(gearbox, jKgMetersSquared, gearing));
     m_gearbox = gearbox;
     m_gearing = gearing;
   }
@@ -85,7 +85,7 @@ public class FlywheelSim extends LinearSystemSim<N1, N1, N1> {
    */
   public FlywheelSim(DCMotor gearbox, double gearing, double jKgMetersSquared,
                      Matrix<N1, N1> measurementStdDevs) {
-    super(LinearSystemId.createFlywheelSystem(gearbox, gearing, jKgMetersSquared),
+    super(LinearSystemId.createFlywheelSystem(gearbox, jKgMetersSquared, gearing),
         measurementStdDevs);
     m_gearbox = gearbox;
     m_gearing = gearing;