diff --git a/wpilibc/src/main/native/cpp/motorcontrol/MotorController.cpp b/wpilibc/src/main/native/cpp/motorcontrol/MotorController.cpp
index a4a00a1ca7..9d20144ca8 100644
--- a/wpilibc/src/main/native/cpp/motorcontrol/MotorController.cpp
+++ b/wpilibc/src/main/native/cpp/motorcontrol/MotorController.cpp
@@ -9,5 +9,5 @@
 using namespace frc;
 
 void MotorController::SetVoltage(units::volt_t output) {
-  Set(output / units::volt_t(RobotController::GetInputVoltage()));
+  Set(output / RobotController::GetBatteryVoltage());
 }