diff --git a/torrt/trackers/anilibria.py b/torrt/trackers/anilibria.py
index 61f5e83..285baf8 100644
--- a/torrt/trackers/anilibria.py
+++ b/torrt/trackers/anilibria.py
@@ -46,7 +46,12 @@ def get_download_link(self, url):
         LOGGER.debug('Available in qualities: %s', ', '.join(available_qualities.keys()))
 
         if available_qualities:
-            quality_prefs = {self.sanitize_quality(pref) for pref in self.quality_prefs}
+            quality_prefs = []
+            for pref in self.quality_prefs:
+                pref = self.sanitize_quality(pref)
+                if pref not in quality_prefs:
+                    quality_prefs.append(pref)
+
             preferred_qualities = [quality for quality in quality_prefs if quality in available_qualities]
             if not preferred_qualities:
                 LOGGER.info('Torrent is not available in preferred qualities: %s', ', '.join(quality_prefs))