diff --git a/youtube_dl/extractor/eitb.py b/youtube_dl/extractor/eitb.py
index 022d90abc..4ba323148 100644
--- a/youtube_dl/extractor/eitb.py
+++ b/youtube_dl/extractor/eitb.py
@@ -33,5 +33,5 @@ class EitbIE(InfoExtractor):
             raise ExtractorError(u'Could not extract the Brightcove url')
         # The BrightcoveExperience object doesn't contain the video id, we set
         # it manually
-        bc_url += '&%40videoPlayer={}'.format(chapter_id)
+        bc_url += '&%40videoPlayer={0}'.format(chapter_id)
         return self.url_result(bc_url, BrightcoveIE.ie_key())