diff --git a/youtube_dl/extractor/radiojavan.py b/youtube_dl/extractor/radiojavan.py
index 73ab78d6d0..c9eda9b539 100644
--- a/youtube_dl/extractor/radiojavan.py
+++ b/youtube_dl/extractor/radiojavan.py
@@ -34,7 +34,7 @@ class RadioJavanIE(InfoExtractor):
         formats = [{
             'url': 'https://media.rdjavan.com/media/music_video/%s' % video_path,
             'format_id': '%sp' % height,
-            'height': height,
+            'height': int(height),
         } for height, video_path in re.findall(r"RJ\.video(\d+)p\s*=\s*'/?([^']+)'", webpage)]
 
         title = self._og_search_title(webpage)