diff --git a/src/main/target/TBS_LUCID_FC/target.h b/src/main/target/TBS_LUCID_FC/target.h
index f5bdecc0fac..6e755b9a1a5 100644
--- a/src/main/target/TBS_LUCID_FC/target.h
+++ b/src/main/target/TBS_LUCID_FC/target.h
@@ -41,6 +41,7 @@
 #define UART1_RX_PIN              PA10
 
 #define USE_UART2
+#define UART2_AF                  6
 #define UART2_TX_PIN              NONE
 #define UART2_RX_PIN              PB0