diff --git a/src/lv_widgets/lv_rotary.c b/src/lv_widgets/lv_rotary.c
index 28001e53b..f28e4efd8 100644
--- a/src/lv_widgets/lv_rotary.c
+++ b/src/lv_widgets/lv_rotary.c
@@ -441,7 +441,7 @@ static lv_res_t lv_rotary_signal(lv_obj_t * rotary, lv_signal_t sign, void * par
         /*Calculate the slew rate limited angle based on threshold (degrees/sec)*/
         int16_t delta_angle = angle - ext->last_angle;
         uint32_t delta_tick = lv_tick_elaps(ext->last_tick);
-        int16_t delta_angle_threshold = (ext->threshold * 1000) / delta_tick;
+        int16_t delta_angle_threshold = (ext->threshold * delta_tick) / 1000;
 
         if (delta_angle > delta_angle_threshold) {
             delta_angle = delta_angle_threshold;