diff --git a/y2022/localizer/localizer.cc b/y2022/localizer/localizer.cc
index ff3a181..24df19b 100644
--- a/y2022/localizer/localizer.cc
+++ b/y2022/localizer/localizer.cc
@@ -885,7 +885,7 @@
       zeroer_(zeroing::ImuZeroer::FaultBehavior::kTemporary),
       left_encoder_(-DrivetrainWrapPeriod() / 2.0, DrivetrainWrapPeriod()),
       right_encoder_(-DrivetrainWrapPeriod() / 2.0, DrivetrainWrapPeriod()) {
-  event_loop->SetRuntimeRealtimePriority(40);
+  event_loop->SetRuntimeRealtimePriority(10);
   event_loop_->MakeWatcher(
       "/drivetrain",
       [this](