diff --git a/configs/TUNERCF411/config.h b/configs/TUNERCF411/config.h
index 7cc34082..17c05183 100644
--- a/configs/TUNERCF411/config.h
+++ b/configs/TUNERCF411/config.h
@@ -43,7 +43,7 @@
 #define UART2_TX_PIN PA2
 #define UART1_RX_PIN PA10
 #define UART2_RX_PIN PA3
-#define UART1_TX_PIN1 PA8
+#define UART1_TX_PIN PA8
 #define I2C1_SCL_PIN PB8
 #define I2C1_SDA_PIN PB9
 #define LED0_PIN PC13