diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 4ff27db3d..8aa2a43a2 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -2151,7 +2151,7 @@ def sanitize_url(url):
     for mistake, fixup in COMMON_TYPOS:
         if re.match(mistake, url):
             return re.sub(mistake, fixup, url)
-    return url
+    return escape_url(url)
 
 
 def sanitized_Request(url, *args, **kwargs):