diff --git a/arb_reformatter.py b/arb_reformatter.py
index ee318438..303ce9c6 100755
--- a/arb_reformatter.py
+++ b/arb_reformatter.py
@@ -106,10 +106,10 @@ def update_arb_file(source_path, target_path, language_code):
 if __name__ == "__main__":
     source_file_path = 'lib/l10n/app_en.arb'
     target_directory = 'lib/l10n'
-    language_code = os.path.basename(source_file_path).split('_')[1].split('.')[0]
 
     for file_name in os.listdir(target_directory):
         if file_name.startswith('app_') and file_name.endswith('.arb') and file_name != os.path.basename(source_file_path):
             target_file_path = os.path.join(target_directory, file_name)
+            language_code = file_name.split('_')[1].split('.')[0]
             update_arb_file(source_file_path, target_file_path, language_code)
             print(f'File updated: {file_name}')