diff --git a/src/src/Helpers/_Plugin_Helper_serial.h b/src/src/Helpers/_Plugin_Helper_serial.h
index c97f7d9cf..acc5e5ac2 100644
--- a/src/src/Helpers/_Plugin_Helper_serial.h
+++ b/src/src/Helpers/_Plugin_Helper_serial.h
@@ -14,6 +14,7 @@ constexpr uint8_t INCLUDE_I2C_SERIAL = (1 << 2);
 constexpr uint8_t INCLUDE_CDC_SERIAL = (1 << 3);
 constexpr uint8_t INCLUDE_ALL_SERIAL = (INCLUDE_SW_SERIAL | INCLUDE_HW_SERIAL | INCLUDE_I2C_SERIAL | INCLUDE_CDC_SERIAL);
 constexpr uint8_t INCLUDE_DEFAULT_SERIAL = INCLUDE_ALL_SERIAL;
+constexpr uint8_t INCLUDE_NOT_CDC_SERIAL = (INCLUDE_SW_SERIAL | INCLUDE_HW_SERIAL | INCLUDE_I2C_SERIAL);
 
 struct ESPeasySerialType;