diff --git a/sonoff/settings.h b/sonoff/settings.h
index 032ea530d..c1f568ca1 100644
--- a/sonoff/settings.h
+++ b/sonoff/settings.h
@@ -67,7 +67,7 @@ typedef union {                            // Restricted by MISRA-C Rule 18.4 bu
     uint32_t user_esp8285_enable : 1;      // bit 1 (v6.1.1.14)
     uint32_t time_append_timezone : 1;     // bit 2 (v6.2.1.2)
     uint32_t gui_hostname_ip : 1;          // bit 3 (v6.2.1.20)
-    uint32_t spare04 : 1;
+    uint32_t tuya_apply_o20 : 1;
     uint32_t spare05 : 1;
     uint32_t spare06 : 1;
     uint32_t spare07 : 1;
diff --git a/sonoff/xdrv_16_tuyadimmer.ino b/sonoff/xdrv_16_tuyadimmer.ino
index bf8213da2..06926acba 100644
--- a/sonoff/xdrv_16_tuyadimmer.ino
+++ b/sonoff/xdrv_16_tuyadimmer.ino
@@ -207,7 +207,7 @@ void TuyaPacketProcess()
         }
 
         tuya_new_dim = round(tuya_buffer[13] * (100. / 255.));
-        if((power) && (tuya_new_dim > 0) && (abs(tuya_new_dim - Settings.light_dimmer) > 2)) {
+        if((power || Settings.flag3.tuya_apply_o20)  && (tuya_new_dim > 0) && (abs(tuya_new_dim - Settings.light_dimmer) > 1)) {
 
           snprintf_P(scmnd, sizeof(scmnd), PSTR(D_CMND_DIMMER " %d"), tuya_new_dim );