diff --git a/firmware/controllers/algo/engine_state.txt b/firmware/controllers/algo/engine_state.txt
index eb868b2d7f..9f9a9a5da3 100644
--- a/firmware/controllers/algo/engine_state.txt
+++ b/firmware/controllers/algo/engine_state.txt
@@ -103,5 +103,7 @@ running_fuel_s running
     float egt1
     float egt2
 
+    int16_t desiredRpmLimit;User-defined RPM hard limit;"rpm", 1, 0, 0, 30000, 0
+
 ! engine_state2_s
 end_struct
diff --git a/firmware/controllers/limp_manager.cpp b/firmware/controllers/limp_manager.cpp
index 61eb8d300c..15bb4818fb 100644
--- a/firmware/controllers/limp_manager.cpp
+++ b/firmware/controllers/limp_manager.cpp
@@ -12,6 +12,7 @@ void LimpManager::updateState(int rpm, efitick_t nowNt) {
 
 	{
 		// User-configured hard RPM limit, either constant or CLT-lookup
+		// todo: migrate to engineState->desiredRpmLimit to get this variable logged
 		float revLimit = engineConfiguration->useCltBasedRpmLimit
 			? interpolate2d(Sensor::get(SensorType::Clt).value_or(0), engineConfiguration->cltRevLimitRpmBins, engineConfiguration->cltRevLimitRpm)
 			: (float)engineConfiguration->rpmHardLimit;