diff --git a/planning/planning_validator/test/src/test_planning_validator_pubsub.cpp b/planning/planning_validator/test/src/test_planning_validator_pubsub.cpp
index 57d609eef5197..8cf56525edbc5 100644
--- a/planning/planning_validator/test/src/test_planning_validator_pubsub.cpp
+++ b/planning/planning_validator/test/src/test_planning_validator_pubsub.cpp
@@ -469,8 +469,7 @@ TEST(PlanningValidator, DiagCheckLongitudinalDistanceDeviation)
 
 TEST(PlanningValidator, DiagCheckForwardTrajectoryLength)
 {
-  const auto diag_name =
-    "planning_validator: trajectory_validation_forward_trajectory_length";
+  const auto diag_name = "planning_validator: trajectory_validation_forward_trajectory_length";
   constexpr auto trajectory_v = 10.0;
   constexpr size_t trajectory_size = 10;
   constexpr auto ego_v = 10.0;