diff --git a/swervelib/parser/json/ModuleJson.java b/swervelib/parser/json/ModuleJson.java
index 7dcbe4c..6bd27ee 100644
--- a/swervelib/parser/json/ModuleJson.java
+++ b/swervelib/parser/json/ModuleJson.java
@@ -30,7 +30,7 @@ public class ModuleJson
    * {@link swervelib.math.SwerveMath#calculateDegreesPerSteeringRotation(double, double)} for angle motors or
    * {@link swervelib.math.SwerveMath#calculateMetersPerRotation(double, double, double)} for drive motors.
    */
-  public MotorConfigDouble conversionFactor;
+  public MotorConfigDouble conversionFactor = new MotorConfigDouble(0, 0);
   /**
    * Absolute encoder device configuration.
    */
diff --git a/swervelib/parser/json/PhysicalPropertiesJson.java b/swervelib/parser/json/PhysicalPropertiesJson.java
index 0e6b722..779f84f 100644
--- a/swervelib/parser/json/PhysicalPropertiesJson.java
+++ b/swervelib/parser/json/PhysicalPropertiesJson.java
@@ -14,7 +14,7 @@ public class PhysicalPropertiesJson
    * {@link swervelib.math.SwerveMath#calculateDegreesPerSteeringRotation(double, double)} for angle motors or
    * {@link swervelib.math.SwerveMath#calculateMetersPerRotation(double, double, double)} for drive motors.
    */
-  public MotorConfigDouble conversionFactor;
+  public MotorConfigDouble conversionFactor = new MotorConfigDouble(0, 0);
   /**
    * The current limit in AMPs to apply to the motors.
    */