diff --git a/libraries/AP_HAL_ChibiOS/HAL_ChibiOS_Class.cpp b/libraries/AP_HAL_ChibiOS/HAL_ChibiOS_Class.cpp
index 921bde7712..c7d4568eab 100644
--- a/libraries/AP_HAL_ChibiOS/HAL_ChibiOS_Class.cpp
+++ b/libraries/AP_HAL_ChibiOS/HAL_ChibiOS_Class.cpp
@@ -198,7 +198,7 @@ static void main_loop()
         g_callbacks->loop();
 
         /*
-          give up 250 microseconds of time if the INS loop hasn't
+          give up 50 microseconds of time if the INS loop hasn't
           called delay_microseconds_boost(), to ensure low priority
           drivers get a chance to run. Calling
           delay_microseconds_boost() means we have already given up
@@ -207,7 +207,7 @@ static void main_loop()
          */
 #ifndef HAL_DISABLE_LOOP_DELAY
         if (!schedulerInstance.check_called_boost()) {
-            hal.scheduler->delay_microseconds(250);
+            hal.scheduler->delay_microseconds(50);
         }
 #endif
     }