diff --git a/firmware/opt/innovenergy/scripts/extractS3data.py b/firmware/opt/innovenergy/scripts/extractS3data.py
index 6c5c8b924..4aeb99ee7 100644
--- a/firmware/opt/innovenergy/scripts/extractS3data.py
+++ b/firmware/opt/innovenergy/scripts/extractS3data.py
@@ -193,6 +193,7 @@ def main():
     sampling_stepsize = args.sampling_stepsize
     booleans_as_numbers = args.booleans_as_numbers
     exact_match = args.exact_match
+    # new arg for product type
     product_type = int(args.product_type)
 
     if start_timestamp >= end_timestamp: