diff --git a/uwb/UWB-calibration.conf b/uwb/UWB-calibration.conf
index e8061b2..061fed9 100644
--- a/uwb/UWB-calibration.conf
+++ b/uwb/UWB-calibration.conf
@@ -134,7 +134,7 @@ restricted_channels=0
 [HAL]ant_sets.ch9.azimuth.rx_ant_set_ranging = 4
 [HAL]ant_sets.ch9.azimuth.tx_ant_set_nonranging = 0
 [HAL]ant_sets.ch9.azimuth.tx_ant_set_ranging = 0
-[HAL]minimum_system_offset_uwbtime0=500
+[HAL]minimum_system_offset_uwbtime0=120
 coex_gpio=4
 coex_delay_us=1000
 coex_margin_us=500