diff --git a/hal/src/main/native/systemcore/IMU.cpp b/hal/src/main/native/systemcore/IMU.cpp
index 4782a3a5cc..23e3c2e934 100644
--- a/hal/src/main/native/systemcore/IMU.cpp
+++ b/hal/src/main/native/systemcore/IMU.cpp
@@ -123,7 +123,7 @@ double HAL_GetIMUYawLandscape(int64_t* timestamp) {
 }
 
 double HAL_GetIMUYawPortrait(int64_t* timestamp) {
-  auto update = imu->yawFlatSub.GetAtomic();
+  auto update = imu->yawPortraitSub.GetAtomic();
   *timestamp = update.time;
   return update.value * kDegreesToRadians;
 }