diff --git a/scripts/update_license_headers.py b/scripts/update_license_headers.py
index 62bfffd0e76a29b303038a1cfd4f1cffc7db28a2..88f51138755b3210cc32c9db896d5e37f4dca78b 100644
--- a/scripts/update_license_headers.py
+++ b/scripts/update_license_headers.py
@@ -27,8 +27,10 @@ FILE_PATH_SKIPPED    = 'out-skipped.txt'
 FILE_PATH_NO_HEADER  = 'out-no-header.txt'
 FILE_PATH_UPDATED    = 'out-updated.txt'
 
-#RE_OLD_COPYRIGHT  = re.compile(r'Copyright\ 2021\-2023\ H2020\ TeraFlow\ \(https\:\/\/www\.teraflow\-h2020\.eu\/\)')
-RE_OLD_COPYRIGHT  = re.compile(r'Copyright\ 2022\-2023\ ETSI\ TeraFlowSDN\ \-\ TFS\ OSG\ \(https\:\/\/tfs\.etsi\.org\/\)')
+RE_OLD_COPYRIGHTS = [
+    re.compile(r'Copyright\ 2021\-2023\ H2020\ TeraFlow\ \(https\:\/\/www\.teraflow\-h2020\.eu\/\)'),
+    re.compile(r'Copyright\ 2022\-2023\ ETSI\ TeraFlowSDN\ \-\ TFS\ OSG\ \(https\:\/\/tfs\.etsi\.org\/\)'),
+]
 STR_NEW_COPYRIGHT = 'Copyright 2022-2024 ETSI TeraFlowSDN - TFS OSG/SDG (https://tfs.etsi.org/)'
 
 def skip_file(file_path : str) -> bool:
@@ -68,8 +70,10 @@ def skip_file(file_path : str) -> bool:
     return False
 
 def process_line(line_in : str) -> str:
-    line_out = RE_OLD_COPYRIGHT.sub(STR_NEW_COPYRIGHT, line_in)
-    if line_out != line_in: return line_out
+    for re_old_copyright in RE_OLD_COPYRIGHTS:
+        if re_old_copyright.match(line_in) is None: continue
+        line_out = re_old_copyright.sub(STR_NEW_COPYRIGHT, line_in)
+        return line_out
     return line_in
 
 def process_file(