diff --git a/firmware/controllers/algo/fuel_math.cpp b/firmware/controllers/algo/fuel_math.cpp
index b49a4a254f..10ed027de5 100644
--- a/firmware/controllers/algo/fuel_math.cpp
+++ b/firmware/controllers/algo/fuel_math.cpp
@@ -155,7 +155,7 @@ floatms_t getInjectionDuration(int rpm DECLARE_ENGINE_PARAMETER_SUFFIX) {
 	}
 	floatms_t injectorLag = ENGINE(engineState.injectorLag);
 	if (cisnan(injectorLag)) {
-		warning(CUSTOM_ERR_6539, "injectorLah not ready");
+		warning(CUSTOM_ERR_INJECTOR_LAG, "injectorLag not ready");
 		return 0; // we can end up here during configuration reset
 	}
 	return theoreticalInjectionLength + injectorLag;
diff --git a/firmware/controllers/algo/obd_error_codes.h b/firmware/controllers/algo/obd_error_codes.h
index ea7000a79b..77f99a655c 100644
--- a/firmware/controllers/algo/obd_error_codes.h
+++ b/firmware/controllers/algo/obd_error_codes.h
@@ -1895,7 +1895,7 @@ typedef enum {
 	CUSTOM_ERR_6536 = 6536,
 	CUSTOM_ERR_6537 = 6537,
 	CUSTOM_ERR_6538 = 6538,
-	CUSTOM_ERR_6539 = 6539,
+	CUSTOM_ERR_INJECTOR_LAG = 6539,
 
 	CUSTOM_ERR_6540 = 6540,
 	CUSTOM_ERR_6541 = 6541,