diff --git a/youtube_dl/extractor/sonuma.py b/youtube_dl/extractor/sonuma.py
index 91decd56c..43776f958 100644
--- a/youtube_dl/extractor/sonuma.py
+++ b/youtube_dl/extractor/sonuma.py
@@ -9,7 +9,7 @@ class sonumaIE(InfoExtractor):
 
 	def _real_extract(self,url):
 		video_id=self._match_id(url)
-		webpage = self._download_webpage("https://www.sonuma.be/archive/%s/"video_id , video_id)
+		webpage = self._download_webpage("https://www.sonuma.be/archive/%s/"% video_id, video_id)
 		title = self._html_search_regex(r'<h1>(.+?)</h1>', webpage, 'title')
 
 		download_url=self._html_search_regex(