diff --git a/boards/matek/h743-slim/default.px4board b/boards/matek/h743-slim/default.px4board
index 71024fea5ceb..48e937fc43c1 100644
--- a/boards/matek/h743-slim/default.px4board
+++ b/boards/matek/h743-slim/default.px4board
@@ -5,6 +5,7 @@ CONFIG_BOARD_SERIAL_TEL1="/dev/ttyS2"
 CONFIG_BOARD_SERIAL_TEL2="/dev/ttyS3"
 CONFIG_BOARD_SERIAL_TEL3="/dev/ttyS5"
 CONFIG_BOARD_SERIAL_TEL4="/dev/ttyS6"
+CONFIG_BOARD_PARAM_FILE="/fs/microsd/params"
 CONFIG_DRIVERS_ADC_BOARD_ADC=y
 CONFIG_DRIVERS_BAROMETER_DPS310=y
 CONFIG_DRIVERS_CDCACM_AUTOSTART=y