diff --git a/youtube_dl/extractor/facebook.py b/youtube_dl/extractor/facebook.py
index ac05b580f..ea4bd6d8d 100644
--- a/youtube_dl/extractor/facebook.py
+++ b/youtube_dl/extractor/facebook.py
@@ -24,7 +24,8 @@ from ..utils import (
     sanitized_Request,
     try_get,
     urlencode_postdata,
-    update_url_query
+    update_url_query,
+    lowercase_escape
 )
 
 
@@ -455,9 +456,9 @@ class FacebookIE(InfoExtractor):
         uploader = clean_html(get_element_by_id(
             'fbPhotoPageAuthorName', webpage)) or self._search_regex(
             r'ownerName\s*:\s*"([^"]+)"', webpage, 'uploader',default=None) or \
-                   self._search_regex(
+                   lowercase_escape(self._search_regex(
                         r'\"ownerName\":"(.+?)"', tahoe_data.secondary,
-                        'uploader_id', fatal=False) or self._og_search_title(webpage, default=None)
+                        'uploader_id', fatal=False)) or self._og_search_title(webpage, default=None)
 
 
         timestamp = int_or_none(self._search_regex(