diff --git a/ADIS_ESP32_Eclipse/config/IncludeMcuLibConfig.h b/ADIS_ESP32_Eclipse/config/IncludeMcuLibConfig.h
index d70f29a..16fe2f0 100644
--- a/ADIS_ESP32_Eclipse/config/IncludeMcuLibConfig.h
+++ b/ADIS_ESP32_Eclipse/config/IncludeMcuLibConfig.h
@@ -38,5 +38,6 @@
 /* -------------------------------------------------*/
 /* McuUART485 */
 #define McuUart485_CONFIG_USE_RS_485                  (1)
+#define McuUart485_CONFIG_UART_BAUDRATE               (57600) /* lowering speed to reduce CRC errors */
 
 #endif /* MCULIB_CONFIG_CONFIG_H_ */
diff --git a/ADIS_tinyK22_SplitFlap/source/IncludeMcuLibConfig.h b/ADIS_tinyK22_SplitFlap/source/IncludeMcuLibConfig.h
index 942218d..ae307f6 100644
--- a/ADIS_tinyK22_SplitFlap/source/IncludeMcuLibConfig.h
+++ b/ADIS_tinyK22_SplitFlap/source/IncludeMcuLibConfig.h
@@ -131,5 +131,6 @@ add_compile_options(-include "../config/IncludeMcuLibConfig.h")
 #define McuMinINI_CONFIG_FLASH_NVM_MAX_DATA_SIZE    (0x800) /* must be 64, 128, 256, ... */
 /* RS485 */
 #define McuUart485_CONFIG_USE_RS_485				(1)
+#define McuUart485_CONFIG_UART_BAUDRATE               (57600) /* lowering speed to reduce CRC errors */
 
 #endif /* INCLUDEMCULIBCONFIG_H_ */