diff --git a/tasmota/my_user_config.h b/tasmota/my_user_config.h
index bf887ff19..d9eb64830 100644
--- a/tasmota/my_user_config.h
+++ b/tasmota/my_user_config.h
@@ -337,6 +337,7 @@
 #define RF_DATA_RADIX          false             // [SetOption28] RF receive data format (false = hexadecimal, true = decimal)
 #define IR_DATA_RADIX          false             // [SetOption29] IR receive data format (false = hexadecimal, true = decimal)
 #define TUYA_SETOPTION_20      false             // [SetOption54] Apply SetOption20 settings to Tuya device
+#define TUYA_ALLOW_DIMMER_0    false             // [SetOption131] Allow save dimmer = 0 receved by MCU
 #define TUYA_TEMP_SET_RES      1                 // [TuyaTempSetRes] Maximum number of decimals (0 - 3) showing sensor TemperatureSet
 #define IR_ADD_RAW_DATA        false             // [SetOption58] Add IR Raw data to JSON message
 #define BUZZER_ENABLE          false             // [SetOption67] Enable buzzer when available
diff --git a/tasmota/settings.h b/tasmota/settings.h
index c75842aac..b168422fc 100644
--- a/tasmota/settings.h
+++ b/tasmota/settings.h
@@ -160,7 +160,7 @@ typedef union {                            // Restricted by MISRA-C Rule 18.4 bu
     uint32_t disable_referer_chk : 1;      // bit 14 (v9.5.0.5)  - SetOption128 - (Web) Allow access without referer check
     uint32_t energy_phase : 1;             // bit 15 (v9.5.0.9)  - SetOption129 - (Energy) Show phase information
     uint32_t show_heap_with_timestamp : 1; // bit 16 (v9.5.0.9)  - SetOption130 - (Debug) Show heap with logging timestamp
-    uint32_t spare17 : 1;                  // bit 17
+    uint32_t tuya_allow_dimmer_0 : 1;      // bit 17 (v10.0.0.3) - SetOption131 - (Tuya) Allow save dimmer = 0 receved by MCU
     uint32_t spare18 : 1;                  // bit 18
     uint32_t spare19 : 1;                  // bit 19
     uint32_t spare20 : 1;                  // bit 20
diff --git a/tasmota/settings.ino b/tasmota/settings.ino
index ec09129f4..bab1870db 100644
--- a/tasmota/settings.ino
+++ b/tasmota/settings.ino
@@ -1182,6 +1182,7 @@ void SettingsDefaultSet2(void) {
 
   // Tuya
   flag3.tuya_apply_o20 |= TUYA_SETOPTION_20;
+  flag5.tuya_allow_dimmer_0 |= TUYA_ALLOW_DIMMER_0;
   flag3.tuya_serial_mqtt_publish |= MQTT_TUYA_RECEIVED;
   mbflag2.temperature_set_res |= TUYA_TEMP_SET_RES;
 
diff --git a/tasmota/xdrv_16_tuyamcu.ino b/tasmota/xdrv_16_tuyamcu.ino
index 43b703c82..f44ea864f 100644
--- a/tasmota/xdrv_16_tuyamcu.ino
+++ b/tasmota/xdrv_16_tuyamcu.ino
@@ -842,7 +842,8 @@ void TuyaProcessStatePacket(void) {
             (fnId == TUYA_MCU_FUNC_CT) || (fnId == TUYA_MCU_FUNC_WHITE)) {
 
           if (Tuya.ignore_dimmer_cmd_timeout < millis()) {
-            if ((TasmotaGlobal.power || Settings->flag3.tuya_apply_o20) && ((Tuya.Levels[dimIndex] > 0) && (Tuya.Levels[dimIndex] != Tuya.Snapshot[dimIndex]))) { // SetOption54 - Apply SetOption20 settings to Tuya device
+            //if ((TasmotaGlobal.power || Settings->flag3.tuya_apply_o20) && ((Tuya.Levels[dimIndex] > 0) && (Tuya.Levels[dimIndex] != Tuya.Snapshot[dimIndex]))) { // SetOption54 - Apply SetOption20 settings to Tuya device
+            if ((TasmotaGlobal.power || Settings->flag3.tuya_apply_o20) && ((Tuya.Levels[dimIndex] > 0 || Settings->flag5.tuya_allow_dimmer_0) && (Tuya.Levels[dimIndex] != Tuya.Snapshot[dimIndex]))) { // SetOption54 - Apply SetOption20 settings to Tuya device
               Tuya.ignore_dim = true;
               TasmotaGlobal.skip_light_fade = true;