diff --git a/sonoff/xdrv_16_tuyadimmer.ino b/sonoff/xdrv_16_tuyadimmer.ino
index 362d85a3a..db63d6cec 100644
--- a/sonoff/xdrv_16_tuyadimmer.ino
+++ b/sonoff/xdrv_16_tuyadimmer.ino
@@ -149,8 +149,10 @@ void LightSerialDuty(uint8_t duty)
       if(Settings.flag3.tuya_dimmer_range_255 == 0) {
         duty = changeUIntScale(duty, 0, 255, 0, 100);
       }
-      AddLog_P2(LOG_LEVEL_DEBUG, PSTR("TYA: Send dim value=%d (id=%d)"), duty, Settings.param[P_TUYA_DIMMER_ID]);
-      TuyaSendValue(Settings.param[P_TUYA_DIMMER_ID], duty);
+      if (tuya_new_dim != duty) {
+        AddLog_P2(LOG_LEVEL_DEBUG, PSTR("TYA: Send dim value=%d (id=%d)"), duty, Settings.param[P_TUYA_DIMMER_ID]);
+        TuyaSendValue(Settings.param[P_TUYA_DIMMER_ID], duty);
+      }
     }
   } else {
     tuya_ignore_dim = false;  // reset flag
@@ -215,16 +217,18 @@ void TuyaPacketProcess(void)
             AddLog_P2(LOG_LEVEL_DEBUG, PSTR("TYA: Autoconfiguring Dimmer ID %d"), tuya_buffer[6]);
             Settings.param[P_TUYA_DIMMER_ID] = tuya_buffer[6];
           }
-          if(Settings.flag3.tuya_dimmer_range_255 == 0) {
-            tuya_new_dim = (uint8_t) tuya_buffer[13];
-          } else {
-            tuya_new_dim = changeUIntScale((uint8_t) tuya_buffer[13], 0, 255, 0, 100);
-          }
-          if ((power || Settings.flag3.tuya_apply_o20) && (tuya_new_dim > 0) && (abs(tuya_new_dim - Settings.light_dimmer) > 1)) {
-            tuya_ignore_dim = true;
+          if (Settings.param[P_TUYA_DIMMER_ID] == tuya_buffer[6]) {
+            if(Settings.flag3.tuya_dimmer_range_255 == 0) {
+              tuya_new_dim = (uint8_t) tuya_buffer[13];
+            } else {
+              tuya_new_dim = changeUIntScale((uint8_t) tuya_buffer[13], 0, 255, 0, 100);
+            }
+            if ((power || Settings.flag3.tuya_apply_o20) && (tuya_new_dim > 0) && (abs(tuya_new_dim - Settings.light_dimmer) > 1)) {
+              tuya_ignore_dim = true;
 
-            snprintf_P(scmnd, sizeof(scmnd), PSTR(D_CMND_DIMMER " %d"), tuya_new_dim );
-            ExecuteCommand(scmnd, SRC_SWITCH);
+              snprintf_P(scmnd, sizeof(scmnd), PSTR(D_CMND_DIMMER " %d"), tuya_new_dim );
+              ExecuteCommand(scmnd, SRC_SWITCH);
+            }
           }
         }
       }