diff --git a/youtube_dl/extractor/facebook.py b/youtube_dl/extractor/facebook.py
index a3dcdca3e2..a56f85c216 100644
--- a/youtube_dl/extractor/facebook.py
+++ b/youtube_dl/extractor/facebook.py
@@ -405,6 +405,11 @@ def extract_from_jsmods_instances(js_data):
         if not formats:
             raise ExtractorError('Cannot find video formats')
 
+        # Downloads with browser's User-Agent are rate limited. Working around
+        # with non-browser User-Agent.
+        for f in formats:
+            f.setdefault('http_headers', {})['User-Agent'] = 'facebookexternalhit/1.1'
+
         self._sort_formats(formats)
 
         video_title = self._html_search_regex(