diff --git a/nds-h/nds_h_power.py b/nds-h/nds_h_power.py
index 04a2f66..680feb2 100644
--- a/nds-h/nds_h_power.py
+++ b/nds-h/nds_h_power.py
@@ -39,7 +39,7 @@
 import sys
 import re
 
-parent_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
+parent_dir = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '..'))
 
 # Construct the path to the utils directory
 utils_dir = os.path.join(parent_dir, 'utils')