diff --git a/nds-h/nds_h_power.py b/nds-h/nds_h_power.py
index be2dc98..e06d7bf 100644
--- a/nds-h/nds_h_power.py
+++ b/nds-h/nds_h_power.py
@@ -37,7 +37,7 @@
 from pyspark.sql import SparkSession
 import os
 import sys
-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')