diff --git a/api/reg_index.hpp b/api/reg_index.hpp
index f3b9f4a..6bb0169 100644
--- a/api/reg_index.hpp
+++ b/api/reg_index.hpp
@@ -305,6 +305,7 @@ typedef enum {
   kreg_boditech_optical_trf_scan_duration_us        = REG_INDEX(42, 0, 11),
   kreg_boditech_optical_scan_gain_adjust_suggestion = REG_INDEX(42, 0, 12),
   kreg_boditech_optical_adc_result_overflow         = REG_INDEX(42, 0, 13),
+  kreg_boditech_optical_laster_intensity            = REG_INDEX(42, 0, 14),
 
 } reg_index_t;