diff --git a/osu.Game/Online/API/Requests/Responses/SoloScoreInfo.cs b/osu.Game/Online/API/Requests/Responses/SoloScoreInfo.cs
index 4469d50acb..2095b2c700 100644
--- a/osu.Game/Online/API/Requests/Responses/SoloScoreInfo.cs
+++ b/osu.Game/Online/API/Requests/Responses/SoloScoreInfo.cs
@@ -3,6 +3,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Linq;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
@@ -45,6 +46,9 @@ namespace osu.Game.Online.API.Requests.Responses
 
         [JsonConverter(typeof(StringEnumConverter))]
         [JsonProperty("rank")]
+        // ScoreRank is aligned to make 0 equal D. We still want to serialise this (even when DefaultValueHandling.Ignore is used),
+        // so set the default to an impossible value.
+        [DefaultValue(null)]
         public ScoreRank Rank { get; set; }
 
         [JsonProperty("started_at")]