diff --git a/archivers/telegram_archiver.py b/archivers/telegram_archiver.py
index 9e735bb..61f56d0 100644
--- a/archivers/telegram_archiver.py
+++ b/archivers/telegram_archiver.py
@@ -69,12 +69,15 @@ class TelegramArchiver(Archiver):
         hash = self.get_hash(filename)
 
         # extract duration from HTML
-        duration = s.find_all('time')[0].contents[0]
-        if ':' in duration:
-            duration = float(duration.split(
-                ':')[0]) * 60 + float(duration.split(':')[1])
-        else:
-            duration = float(duration)
+        try:
+            duration = s.find_all('time')[0].contents[0]
+            if ':' in duration:
+                duration = float(duration.split(
+                    ':')[0]) * 60 + float(duration.split(':')[1])
+            else:
+                duration = float(duration)
+        except:
+            duration = ""
 
         # process thumbnails
         key_thumb, thumb_index = self.get_thumbnails(