diff --git a/Tools/sitl_run.sh b/Tools/sitl_run.sh
index 2f105aab99..58ed4f6dd5 100755
--- a/Tools/sitl_run.sh
+++ b/Tools/sitl_run.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
-mkdir -p build_posix_sitl_simple/rootfs/fs/microsd
-mkdir -p build_posix_sitl_simple/rootfs/eeprom
-cd build_posix_sitl_simple/src/firmware/posix && ./mainapp ../../../../$1
+cd build_posix_sitl_simple/src/firmware/posix
+mkdir -p rootfs/fs/microsd
+mkdir -p rootfs/eeprom
+touch rootfs/eeprom/parameters
+./mainapp ../../../../$1