diff --git a/youtube_dl/InfoExtractors.py b/youtube_dl/InfoExtractors.py
index 51aca54972..0807306609 100755
--- a/youtube_dl/InfoExtractors.py
+++ b/youtube_dl/InfoExtractors.py
@@ -1130,7 +1130,7 @@ class VimeoIE(InfoExtractor):
         # Extract video description
         video_description = get_element_by_attribute("itemprop", "description", webpage)
         if video_description: video_description = clean_html(video_description)
-        else: video_description = ''
+        else: video_description = u''
 
         # Extract upload date
         video_upload_date = None