diff --git a/osu.Desktop/LegacyIpc/LegacyIpcDifficultyCalculationRequest.cs b/osu.Desktop/LegacyIpc/LegacyIpcDifficultyCalculationRequest.cs
index d6ef390a8f..0ad68919a2 100644
--- a/osu.Desktop/LegacyIpc/LegacyIpcDifficultyCalculationRequest.cs
+++ b/osu.Desktop/LegacyIpc/LegacyIpcDifficultyCalculationRequest.cs
@@ -11,7 +11,7 @@ namespace osu.Desktop.LegacyIpc
     /// </remarks>
     public class LegacyIpcDifficultyCalculationRequest
     {
-        public string BeatmapFile { get; set; }
+        public string BeatmapFile { get; set; } = string.Empty;
         public int RulesetId { get; set; }
         public int Mods { get; set; }
     }
diff --git a/osu.Desktop/LegacyIpc/LegacyIpcMessage.cs b/osu.Desktop/LegacyIpc/LegacyIpcMessage.cs
index 0fa60e2068..865d1aa60c 100644
--- a/osu.Desktop/LegacyIpc/LegacyIpcMessage.cs
+++ b/osu.Desktop/LegacyIpc/LegacyIpcMessage.cs
@@ -46,7 +46,7 @@ namespace osu.Desktop.LegacyIpc
 
         public class Data
         {
-            public string MessageType { get; set; }
+            public string MessageType { get; set; } = string.Empty;
             public object MessageData { get; set; }
         }
     }