diff --git a/firmware/controllers/trigger/decoders/trigger_misc.h b/firmware/controllers/trigger/decoders/trigger_misc.h
index 4a63240dbf..a9e80eca09 100644
--- a/firmware/controllers/trigger/decoders/trigger_misc.h
+++ b/firmware/controllers/trigger/decoders/trigger_misc.h
@@ -12,4 +12,5 @@
 void configureFiatIAQ_P8(TriggerWaveform * s);
 void configureDaihatsu4(TriggerWaveform * s);
 void configureFordST170(TriggerWaveform * s);
+void configureTriTach(TriggerWaveform * s);
 
diff --git a/firmware/controllers/trigger/decoders/trigger_universal.cpp b/firmware/controllers/trigger/decoders/trigger_universal.cpp
index 16c74292f2..e2985fadb9 100644
--- a/firmware/controllers/trigger/decoders/trigger_universal.cpp
+++ b/firmware/controllers/trigger/decoders/trigger_universal.cpp
@@ -28,6 +28,7 @@ void addSkippedToothTriggerEvents(trigger_wheel_e wheel, TriggerWaveform *s, int
 
 	float angleDown = engineCycle / totalTeethCount * (totalTeethCount - skippedCount - 1 + (1 - toothWidth));
 	s->addEventClamped(offset + angleDown, wheel, TV_RISE, filterLeft, filterRight);
+	// custom handling of last event in order to avoid rounding error
 	s->addEventClamped(offset + engineCycle, wheel, TV_FALL, filterLeft, filterRight);
 }