diff --git a/firmware/controllers/engine_cycle/fuel_schedule.cpp b/firmware/controllers/engine_cycle/fuel_schedule.cpp
index fdac9b6bd1..f1e5bb6b06 100644
--- a/firmware/controllers/engine_cycle/fuel_schedule.cpp
+++ b/firmware/controllers/engine_cycle/fuel_schedule.cpp
@@ -10,7 +10,7 @@
 
 void turnInjectionPinHigh(InjectionEvent *event) {
 	efitick_t nowNt = getTimeNowNt();
-	for (int i = 0;i < MAX_WIRES_COUNT;i++) {
+	for (size_t i = 0; i < efi::size(event->outputs); i++) {
 		InjectorOutputPin *output = event->outputs[i];
 
 		if (output) {
diff --git a/firmware/controllers/engine_cycle/fuel_schedule.h b/firmware/controllers/engine_cycle/fuel_schedule.h
index ad83f48170..dad491c2ae 100644
--- a/firmware/controllers/engine_cycle/fuel_schedule.h
+++ b/firmware/controllers/engine_cycle/fuel_schedule.h
@@ -13,7 +13,6 @@
 
 #define MAX_WIRES_COUNT 2
 
-
 class InjectionEvent {
 public:
 	InjectionEvent();
diff --git a/firmware/controllers/engine_cycle/main_trigger_callback.cpp b/firmware/controllers/engine_cycle/main_trigger_callback.cpp
index eb08b83dfc..5af043d661 100644
--- a/firmware/controllers/engine_cycle/main_trigger_callback.cpp
+++ b/firmware/controllers/engine_cycle/main_trigger_callback.cpp
@@ -57,7 +57,7 @@ void turnInjectionPinLow(InjectionEvent *event) {
 	efitick_t nowNt = getTimeNowNt();
 
 	event->isScheduled = false;
-	for (int i = 0;i<MAX_WIRES_COUNT;i++) {
+	for (size_t i = 0; i < efi::size(event->outputs); i++) {
 		InjectorOutputPin *output = event->outputs[i];
 		if (output) {
 			output->close(nowNt);