diff --git a/minitests/roi_harness/demo_sw_led_fasm.py b/minitests/roi_harness/demo_sw_led_fasm.py
index e2027c8c..76bcbc18 100755
--- a/minitests/roi_harness/demo_sw_led_fasm.py
+++ b/minitests/roi_harness/demo_sw_led_fasm.py
@@ -2,7 +2,7 @@
 
 import sys
 import os
-sys.path.append(os.getenv("XRAY_DIR") + "/tools")
+sys.path.append(os.getenv("XRAY_UTILS_DIR"))
 import simpleroute
 
 print()