diff --git a/youtube_dl/extractor/ir90tv.py b/youtube_dl/extractor/ir90tv.py
index 6418d61783..214bcd5b59 100644
--- a/youtube_dl/extractor/ir90tv.py
+++ b/youtube_dl/extractor/ir90tv.py
@@ -31,7 +31,7 @@ def _real_extract(self, url):
         video_url = self._search_regex(
             r'<source[^>]+src="([^"]+)"', webpage, 'video url')
 
-        thumbnail = self._search_regex(r'poster="([^"]+)"', webpage, 'thumbnail url')
+        thumbnail = self._search_regex(r'poster="([^"]+)"', webpage, 'thumbnail url', fatal=False)
 
         return {
             'url': video_url,