diff --git a/firmware/controllers/engine_cycle/map_averaging.h b/firmware/controllers/engine_cycle/map_averaging.h
index b53663442e..2a83f6436d 100644
--- a/firmware/controllers/engine_cycle/map_averaging.h
+++ b/firmware/controllers/engine_cycle/map_averaging.h
@@ -54,3 +54,4 @@ private:
 };
 
 MapAverager& getMapAvg(size_t idx);
+float filterMapValue(float value);