diff --git a/src/NzbDrone.Core/Qualities/QualityModelComparer.cs b/src/NzbDrone.Core/Qualities/QualityModelComparer.cs
index d11972b6d..62972de52 100644
--- a/src/NzbDrone.Core/Qualities/QualityModelComparer.cs
+++ b/src/NzbDrone.Core/Qualities/QualityModelComparer.cs
@@ -100,7 +100,7 @@ public int Compare(List<CustomFormat> left, int right)
             left = left.WithNone();
 
             var leftIndicies = GetIndicies(left, _profile);
-            var rightIndex = _profile.FormatItems.FindIndex(v => Equals(v.Format, right));
+            var rightIndex = _profile.FormatItems.FindIndex(v => Equals(v.Format.Id, right));
 
             return leftIndicies.Select(i => i.CompareTo(rightIndex)).Sum();
         }