diff --git a/datasets/preprocess.py b/datasets/preprocess.py
index 9dd7a610..a3701c4d 100644
--- a/datasets/preprocess.py
+++ b/datasets/preprocess.py
@@ -82,14 +82,14 @@ def mailabs(root_path, meta_files=None):
     # meta_files = [f.strip() for f in meta_files.split(",")]
     items = []
     for idx, csv_file in enumerate(csv_files):
+        txt_file = os.path.join(root_path, csv_file)
         # determine speaker based on folder structure...
-        speaker_name_match = speaker_regex.search(csv_file)
+        speaker_name_match = speaker_regex.search(txt_file)
         if speaker_name_match is None:
             continue
         speaker_name = speaker_name_match.group("speaker_name")
         print(" | > {}".format(csv_file))
         folder = folders[idx]
-        txt_file = os.path.join(root_path, csv_file)
         with open(txt_file, 'r') as ttf:
             for line in ttf:
                 cols = line.split('|')