diff --git a/firmware/hw_layer/ports/stm32/mcuconf_common_f4_f7.h b/firmware/hw_layer/ports/stm32/mcuconf_common_f4_f7.h
index 2c8f6d5d04..542b8083ff 100644
--- a/firmware/hw_layer/ports/stm32/mcuconf_common_f4_f7.h
+++ b/firmware/hw_layer/ports/stm32/mcuconf_common_f4_f7.h
@@ -241,8 +241,13 @@
 #define STM32_SERIAL_USE_USART3             FALSE
 #endif
 
+#ifndef STM32_SERIAL_USE_UART4
 #define STM32_SERIAL_USE_UART4              FALSE
+#endif
+
+#ifndef STM32_SERIAL_USE_UART5
 #define STM32_SERIAL_USE_UART5              FALSE
+#endif
 
 #ifndef STM32_SERIAL_USE_USART6
 #define STM32_SERIAL_USE_USART6             TRUE