diff --git a/wpilibc/src/main/native/cpp/Drive/DifferentialDrive.cpp b/wpilibc/src/main/native/cpp/Drive/DifferentialDrive.cpp
index 50266fb818..4f8802dfd6 100644
--- a/wpilibc/src/main/native/cpp/Drive/DifferentialDrive.cpp
+++ b/wpilibc/src/main/native/cpp/Drive/DifferentialDrive.cpp
@@ -263,6 +263,6 @@ void DifferentialDrive::InitSendable(SendableBuilder& builder) {
                             [=]() { return m_leftMotor.Get(); },
                             [=](double value) { m_leftMotor.Set(value); });
   builder.AddDoubleProperty("Right Motor Speed",
-                            [=]() { return m_rightMotor.Get(); },
-                            [=](double value) { m_rightMotor.Set(value); });
+                            [=]() { return -m_rightMotor.Get(); },
+                            [=](double value) { m_rightMotor.Set(-value); });
 }
diff --git a/wpilibj/src/main/java/edu/wpi/first/wpilibj/drive/DifferentialDrive.java b/wpilibj/src/main/java/edu/wpi/first/wpilibj/drive/DifferentialDrive.java
index 7049181099..c0ae514ce3 100644
--- a/wpilibj/src/main/java/edu/wpi/first/wpilibj/drive/DifferentialDrive.java
+++ b/wpilibj/src/main/java/edu/wpi/first/wpilibj/drive/DifferentialDrive.java
@@ -361,6 +361,9 @@ public class DifferentialDrive extends RobotDriveBase {
   public void initSendable(SendableBuilder builder) {
     builder.setSmartDashboardType("DifferentialDrive");
     builder.addDoubleProperty("Left Motor Speed", m_leftMotor::get, m_leftMotor::set);
-    builder.addDoubleProperty("Right Motor Speed", m_rightMotor::get, m_rightMotor::set);
+    builder.addDoubleProperty(
+        "Right Motor Speed",
+        () -> -m_rightMotor.get(),
+        x -> m_rightMotor.set(-x));
   }
 }