diff --git a/cubesatsim/cubesatsim.h b/cubesatsim/cubesatsim.h
index 64d037cd..9ad25fe0 100644
--- a/cubesatsim/cubesatsim.h
+++ b/cubesatsim/cubesatsim.h
@@ -221,6 +221,7 @@ void load_sstv_image_1_as_cam_dot_jpg();
 void load_sstv_image_2_as_cam_dot_jpg();
 void get_input();
 void transmit_led(bool status);
+void reset_min_max();
 
 #ifndef STASSID
 #define STASSID "Pico"