diff --git a/Core/Inc/yunhorn_sts_sensors.h b/Core/Inc/yunhorn_sts_sensors.h
index a5f1aee..91e9a28 100644
--- a/Core/Inc/yunhorn_sts_sensors.h
+++ b/Core/Inc/yunhorn_sts_sensors.h
@@ -213,7 +213,8 @@ enum sts_presence_fall_detection_type {
 	STS_PRESENCE_RISING,
 	STS_PRESENCE_LAYDOWN,
 	STS_PRESENCE_UNCONSCIOUS,
-	STS_PRESENCE_STAYSTILL
+	STS_PRESENCE_STAYSTILL,
+	STS_PRESENCE_NO_MOVEMENT
 };
 
 enum sts_sensor_result_t {
diff --git a/Core/Src/yunhorn_sts_process.c b/Core/Src/yunhorn_sts_process.c
index 2023cc2..ffa34dc 100644
--- a/Core/Src/yunhorn_sts_process.c
+++ b/Core/Src/yunhorn_sts_process.c
@@ -952,28 +952,32 @@ void OnSensor3BStateChanged(void)
 	switch (sts_fall_rising_detected_result)
 	{
 		case	STS_PRESENCE_NONE:
-			sts_o7_sensorData.event_sensor3_motion_stop_time = sensor_event_time.Seconds;
-			break;
+				sts_o7_sensorData.event_sensor3_motion_stop_time = sensor_event_time.Seconds;
+		break;
 
 		case	STS_PRESENCE_FALL:
-			if (motion_in_hs_zone[0][motion_detected_count])
-			sts_o7_sensorData.event_sensor3_fall_start_time = sensor_event_time.Seconds;
-			sts_o7_sensorData.event_sensor3_fall_duration = 0;
-			break;
+				if (motion_in_hs_zone[0][motion_detected_count]) {
+					sts_o7_sensorData.event_sensor3_fall_start_time = sensor_event_time.Seconds;
+					sts_o7_sensorData.event_sensor3_fall_duration = 0;
+				}
+		break;
 
 		case	STS_PRESENCE_RISING:
 
-				break;
+		break;
 
 		case	STS_PRESENCE_LAYDOWN:
 		case	STS_PRESENCE_UNCONSCIOUS:
-			sts_o7_sensorData.fall_laydown_duration = 0;
-				break;
-		case	STS_PRESENCE_STAYSTILL:
+				sts_o7_sensorData.fall_laydown_duration = 0;
+		break;
+
+		case	STS_PRESENCE_STAYSTILL:
+		case 	STS_PRESENCE_NO_MOVEMENT:
+
+		break;
 
-					break;
 		default:
-			break;
+		break;
 
 	}