diff --git a/src/main/io/serial.c b/src/main/io/serial.c
index f343e31dd..eba9421a5 100644
--- a/src/main/io/serial.c
+++ b/src/main/io/serial.c
@@ -94,10 +94,10 @@ const serialPortIdentifier_e serialPortIdentifiers[SERIAL_PORT_COUNT] = {
     SERIAL_PORT_USART8,
 #endif
 #ifdef USE_UART9
-    SERIAL_PORT_UART9_INSTANCE,
+    SERIAL_PORT_UART9,
 #endif
 #ifdef USE_UART10
-    SERIAL_PORT_UART10_INSTANCE,
+    SERIAL_PORT_UART10,
 #endif
 #ifdef USE_SOFTSERIAL1
     SERIAL_PORT_SOFTSERIAL1,
@@ -105,6 +105,9 @@ const serialPortIdentifier_e serialPortIdentifiers[SERIAL_PORT_COUNT] = {
 #ifdef USE_SOFTSERIAL2
     SERIAL_PORT_SOFTSERIAL2,
 #endif
+#ifdef USE_LPUART1
+    SERIAL_PORT_LPUART1
+#endif
 };
 
 static uint8_t serialPortCount;
diff --git a/src/main/target/STM32_UNIFIED/target.h b/src/main/target/STM32_UNIFIED/target.h
index 558c76025..54d97595a 100644
--- a/src/main/target/STM32_UNIFIED/target.h
+++ b/src/main/target/STM32_UNIFIED/target.h
@@ -155,7 +155,7 @@
 #define USE_UART3
 #define USE_UART4
 #define USE_UART5
-#define USE_UART9
+#define USE_LPUART1
 
 #define SERIAL_PORT_COUNT       (UNIFIED_SERIAL_PORT_COUNT + 6)