diff --git a/LoRaWAN/App/lora_app.c b/LoRaWAN/App/lora_app.c
index f5ec834..4dd335e 100644
--- a/LoRaWAN/App/lora_app.c
+++ b/LoRaWAN/App/lora_app.c
@@ -2042,9 +2042,9 @@ void STS_SENSOR_Upload_Message(uint8_t appDataPort, uint8_t appBufferSize, char
 		}
 
 		AppData.Port = appDataPort;
-		AppData.BufferSize = (sts_service_mask >2?0:appBufferSize);
+		AppData.BufferSize = (sts_service_mask >1 ?0:appBufferSize);
 
-		APP_LOG(TS_OFF, VLEVEL_L, "Service Mask = %d  Buffer Size =%d \r\n", sts_service_mask, AppData.BufferSize);
+		APP_LOG(TS_OFF, VLEVEL_L, "###########Service Mask = %d  Buffer Size =%d \r\n", sts_service_mask, AppData.BufferSize);
 
 	    if ((JoinLedTimer.IsRunning) && (LmHandlerJoinStatus() == LORAMAC_HANDLER_SET))
 	    {
diff --git a/STM32CubeIDE/Release/YUNHORN_STS_E5CC_AS923_POC.elf b/STM32CubeIDE/Release/YUNHORN_STS_E5CC_AS923_POC.elf
index b4c04f9..9c46788 100644
Binary files a/STM32CubeIDE/Release/YUNHORN_STS_E5CC_AS923_POC.elf and b/STM32CubeIDE/Release/YUNHORN_STS_E5CC_AS923_POC.elf differ