diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index 34eeb77c5d..03a6a18909 100755
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -720,6 +720,7 @@ def process_ie_result(self, ie_result, download=True, extra_info={}):
         result_type = ie_result.get('_type', 'video')
 
         if result_type in ('url', 'url_transparent'):
+            ie_result['url'] = sanitize_url(ie_result['url'])
             extract_flat = self.params.get('extract_flat', False)
             if ((extract_flat == 'in_playlist' and 'playlist' in extra_info) or
                     extract_flat is True):