diff --git a/MareSynchronos/PlayerData/Data/FileReplacement.cs b/MareSynchronos/PlayerData/Data/FileReplacement.cs
index ae8b8df..dc517b9 100644
--- a/MareSynchronos/PlayerData/Data/FileReplacement.cs
+++ b/MareSynchronos/PlayerData/Data/FileReplacement.cs
@@ -10,7 +10,7 @@ public partial class FileReplacement
 
     public FileReplacement(string[] gamePaths, string filePath, FileCacheManager fileDbManager)
     {
-        GamePaths = gamePaths.Select(g => g.Replace('\\', '/')).ToHashSet(StringComparer.Ordinal);
+        GamePaths = gamePaths.Select(g => g.Replace('\\', '/').ToLowerInvariant()).ToHashSet(StringComparer.Ordinal);
         ResolvedPath = filePath.Replace('\\', '/');
         _hashLazy = new(() => !IsFileSwap ? fileDbManager.GetFileCacheByPath(ResolvedPath)?.Hash ?? string.Empty : string.Empty);
     }