diff --git a/boards/gearup/airbrainh743/default.px4board b/boards/gearup/airbrainh743/default.px4board
index bcb4b2b786..1af794b76c 100644
--- a/boards/gearup/airbrainh743/default.px4board
+++ b/boards/gearup/airbrainh743/default.px4board
@@ -1,5 +1,6 @@
 CONFIG_BOARD_TOOLCHAIN="arm-none-eabi"
 CONFIG_BOARD_ARCHITECTURE="cortex-m7"
+CONFIG_BOARD_ROOT_PATH="/fs/flash"
 CONFIG_BOARD_SERIAL_GPS1="/dev/ttyS6"
 CONFIG_BOARD_SERIAL_TEL1="/dev/ttyS3"
 CONFIG_BOARD_SERIAL_TEL2="/dev/ttyS4"
diff --git a/boards/gearup/airbrainh743/src/init.c b/boards/gearup/airbrainh743/src/init.c
index 2577ce282e..b2d2c23b52 100644
--- a/boards/gearup/airbrainh743/src/init.c
+++ b/boards/gearup/airbrainh743/src/init.c
@@ -190,25 +190,25 @@ __EXPORT int board_app_initialize(uintptr_t arg)
 				syslog(LOG_INFO, "[boot] W25N MTD registered at /dev/mtd0\n");
 
 #ifdef CONFIG_FS_LITTLEFS
-				ret = nx_mount("/dev/mtd0", "/fs/microsd", "littlefs", 0, NULL);
+				ret = nx_mount("/dev/mtd0", CONFIG_BOARD_ROOT_PATH, "littlefs", 0, NULL);
 
 				if (ret == 0) {
 					/* Verify the filesystem is usable by creating a test file */
-					int fd = open("/fs/microsd/.mount_test", O_CREAT | O_WRONLY | O_TRUNC);
+					int fd = open(CONFIG_BOARD_ROOT_PATH "/.mount_test", O_CREAT | O_WRONLY | O_TRUNC);
 
 					if (fd >= 0) {
 						close(fd);
-						unlink("/fs/microsd/.mount_test");
+						unlink(CONFIG_BOARD_ROOT_PATH "/.mount_test");
 
 					} else {
 						syslog(LOG_WARNING, "[boot] littlefs mounted but not usable, reformatting\n");
-						nx_umount2("/fs/microsd", 0);
+						nx_umount2(CONFIG_BOARD_ROOT_PATH, 0);
 						ret = -1;
 					}
 				}
 
 				if (ret < 0) {
-					ret = nx_mount("/dev/mtd0", "/fs/microsd", "littlefs", 0, "forceformat");
+					ret = nx_mount("/dev/mtd0", CONFIG_BOARD_ROOT_PATH, "littlefs", 0, "forceformat");
 				}
 
 				if (ret < 0) {
@@ -216,7 +216,7 @@ __EXPORT int board_app_initialize(uintptr_t arg)
 					led_on(LED_RED);
 
 				} else {
-					syslog(LOG_INFO, "[boot] LittleFS mounted at /fs/microsd\n");
+					syslog(LOG_INFO, "[boot] LittleFS mounted at %s\n", CONFIG_BOARD_ROOT_PATH);
 				}
 
 #endif