diff --git a/boards/px4/fmu-v5x/default.cmake b/boards/px4/fmu-v5x/default.cmake
index 850d4a8e46..b48a33fd38 100644
--- a/boards/px4/fmu-v5x/default.cmake
+++ b/boards/px4/fmu-v5x/default.cmake
@@ -15,7 +15,7 @@ px4_add_board(
 		TEL1:/dev/ttyS6
 		TEL2:/dev/ttyS4
 		TEL3:/dev/ttyS2
-		GPS2:/dev/ttyS0
+		GPS2:/dev/ttyS7
 	DRIVERS
 		adc
 		barometer # all available barometer drivers