diff --git a/include/lemlib/devices/gyro/imu.hpp b/include/lemlib/devices/gyro/imu.hpp
index 73a4a20a..d59be1d2 100644
--- a/include/lemlib/devices/gyro/imu.hpp
+++ b/include/lemlib/devices/gyro/imu.hpp
@@ -18,7 +18,7 @@ class Imu : public Gyro {
          *
          * @param imu reference to the pros imu to use
          */
-        Imu(pros::Imu& imu);
+        Imu(const pros::Imu& imu);
         /**
          * @brief Calibrate the IMU
          *
diff --git a/src/lemlib/devices/gyro/imu.cpp b/src/lemlib/devices/gyro/imu.cpp
index 9f859b31..a5806200 100644
--- a/src/lemlib/devices/gyro/imu.cpp
+++ b/src/lemlib/devices/gyro/imu.cpp
@@ -18,7 +18,7 @@ Imu::Imu(uint8_t port)
  * Takes a reference to a pros Imu to be used. Pros imu is then constructed in an
  * initializer list
  */
-Imu::Imu(pros::Imu& imu)
+Imu::Imu(const pros::Imu& imu)
     : imu(imu) {}
 
 /**