diff --git a/libraries/AP_HAL/board/px4.h b/libraries/AP_HAL/board/px4.h
index 2cc4c2dc16a47..c4d30a865d1c4 100644
--- a/libraries/AP_HAL/board/px4.h
+++ b/libraries/AP_HAL/board/px4.h
@@ -82,4 +82,7 @@
 
 #define HAL_COMPASS_IST8310_I2C_ADDR 0x0E
 #define HAL_COMPASS_IST8310_I2C_BUS 1
+
+#undef HAL_SERIAL0_BAUD_DEFAULT
+#define HAL_SERIAL0_BAUD_DEFAULT 460800
 #endif
diff --git a/libraries/AP_SerialManager/AP_SerialManager.cpp b/libraries/AP_SerialManager/AP_SerialManager.cpp
index 6bd7b78052ffd..e068d8387f187 100644
--- a/libraries/AP_SerialManager/AP_SerialManager.cpp
+++ b/libraries/AP_SerialManager/AP_SerialManager.cpp
@@ -38,7 +38,7 @@ const AP_Param::GroupInfo AP_SerialManager::var_info[] = {
     // @Param: 0_BAUD
     // @DisplayName: Serial0 baud rate
     // @Description: The baud rate used on the USB console. The APM2 can support all baudrates up to 115, and also can support 500. The PX4 can support rates of up to 1500. If you setup a rate you cannot support on APM2 and then can't connect to your board you should load a firmware from a different vehicle type. That will reset all your parameters to defaults.
-    // @Values: 1:1200,2:2400,4:4800,9:9600,19:19200,38:38400,57:57600,111:111100,115:115200,500:500000,921:921600,1500:1500000
+    // @Values: 1:1200,2:2400,4:4800,9:9600,19:19200,38:38400,57:57600,111:111100,115:115200,460:460800,500:500000,921:921600,1500:1500000
     // @User: Standard
     AP_GROUPINFO("0_BAUD",  0, AP_SerialManager, state[0].baud, AP_SERIALMANAGER_CONSOLE_BAUD/1000),