diff --git a/ivas_processing_scripts/audiotools/wrappers/bs1770.py b/ivas_processing_scripts/audiotools/wrappers/bs1770.py
index fe756c07d90a4f6f971bcf72472a5a05b3f379e1..7321b02d2537a1070386c3b18a80816cccb9ac81 100755
--- a/ivas_processing_scripts/audiotools/wrappers/bs1770.py
+++ b/ivas_processing_scripts/audiotools/wrappers/bs1770.py
@@ -32,6 +32,7 @@
 
 import copy
 import logging
+import re
 from pathlib import Path
 from tempfile import TemporaryDirectory
 from typing import Optional, Tuple, Union
@@ -134,8 +135,13 @@ def bs1770demo(
         result = run(cmd, logger=logger)
 
         # parse output
-        measured_loudness = float(result.stdout.splitlines()[3].split(":")[1])
-        scale_factor = float(result.stdout.splitlines()[-3].split(":")[1])
+        # we are looking for the (floating-point) number after the search string - '( )' around the number denotes the first group
+        measured_loudness = float(
+            re.search(r"Input level:\s+([-+]?(?:\d*\.*\d+))", result.stdout).group(1)
+        )
+        scale_factor = float(
+            re.search(r"Scaling factor:\s+([-+]?(?:\d*\.*\d+))", result.stdout).group(1)
+        )
 
     return measured_loudness, scale_factor