diff --git a/imap_filter/imap_filter.py b/imap_filter/imap_filter.py
index 9ad5306..a5f0093 100644
--- a/imap_filter/imap_filter.py
+++ b/imap_filter/imap_filter.py
@@ -220,7 +220,7 @@ class ImapFilter:
                 self._log.debug(
                     "Line '%s' found in current file. '%s'",
                     search,
-                    match.group(1)
+                    match.group(0)
                 )
                 new_content = re.sub(search, replacement, content)
                 if content != new_content: