diff --git a/posix-configs/eagle/flight/px4.config b/posix-configs/eagle/flight/px4.config
index 790f7f0c74..e51d07701d 100644
--- a/posix-configs/eagle/flight/px4.config
+++ b/posix-configs/eagle/flight/px4.config
@@ -13,7 +13,7 @@ ekf2 start
 land_detector start multicopter
 mc_pos_control start
 mc_att_control start
-uart_esc start -d /dev/tty-2
+uart_esc start -d /dev/tty-3
 sleep 1
 list_devices
 list_files