diff --git a/radio/src/mixer_scheduler.h b/radio/src/mixer_scheduler.h
index f8d5c4168..768a38507 100644
--- a/radio/src/mixer_scheduler.h
+++ b/radio/src/mixer_scheduler.h
@@ -25,7 +25,7 @@
 #define MIXER_SCHEDULER_DEFAULT_PERIOD_US  4000u // 4ms
 #define MIXER_SCHEDULER_JOYSTICK_PERIOD_US 2000u // 2ms
 
-#define MIN_REFRESH_RATE      1750 /* us */
+#define MIN_REFRESH_RATE       850 /* us */
 #define MAX_REFRESH_RATE     50000 /* us */
 
 #if !defined(SIMU)