diff --git a/source/SongCore/Utilities/Hashing.cs b/source/SongCore/Utilities/Hashing.cs
index cf5ebd0..5366bcc 100644
--- a/source/SongCore/Utilities/Hashing.cs
+++ b/source/SongCore/Utilities/Hashing.cs
@@ -128,14 +128,16 @@ public static string GetCustomLevelHash(BeatmapLevel level)
         {
             var hash = string.Empty;
 
-            var loadedSaveData = Loader.CustomLevelLoader._loadedBeatmapSaveData[level.levelID];
-            if (loadedSaveData.standardLevelInfoSaveData != null)
+            if (Loader.CustomLevelLoader._loadedBeatmapSaveData.TryGetValue(level.levelID, out var loadedSaveData))
             {
-                hash = GetCustomLevelHash(loadedSaveData.customLevelFolderInfo, loadedSaveData.standardLevelInfoSaveData);
-            }
-            else if (loadedSaveData.beatmapLevelSaveData != null)
-            {
-                hash = GetCustomLevelHash(loadedSaveData.customLevelFolderInfo, loadedSaveData.beatmapLevelSaveData);
+                if (loadedSaveData.standardLevelInfoSaveData != null)
+                {
+                    hash = GetCustomLevelHash(loadedSaveData.customLevelFolderInfo, loadedSaveData.standardLevelInfoSaveData);
+                }
+                else if (loadedSaveData.beatmapLevelSaveData != null)
+                {
+                    hash = GetCustomLevelHash(loadedSaveData.customLevelFolderInfo, loadedSaveData.beatmapLevelSaveData);
+                }
             }
 
             return hash;