diff --git a/Penumbra/Interop/PathResolving/PathResolver.cs b/Penumbra/Interop/PathResolving/PathResolver.cs
index 67ec4fc3..49035dc8 100644
--- a/Penumbra/Interop/PathResolving/PathResolver.cs
+++ b/Penumbra/Interop/PathResolving/PathResolver.cs
@@ -52,6 +52,7 @@ public class PathResolver : IDisposable, IService
         if (resourceType is ResourceType.Lvb or ResourceType.Lgb or ResourceType.Sgb)
             return (null, ResolveData.Invalid);
 
+        path = path.ToLower();
         return category switch
         {
             // Only Interface collection.
diff --git a/Penumbra/Mods/SubMods/SubMod.cs b/Penumbra/Mods/SubMods/SubMod.cs
index f6b1be96..a8c37369 100644
--- a/Penumbra/Mods/SubMods/SubMod.cs
+++ b/Penumbra/Mods/SubMods/SubMod.cs
@@ -52,7 +52,7 @@ public static class SubMod
         if (files != null)
             foreach (var property in files.Properties())
             {
-                if (Utf8GamePath.FromString(property.Name, out var p))
+                if (Utf8GamePath.FromString(property.Name, out var p, true))
                     data.Files.TryAdd(p, new FullPath(basePath, property.Value.ToObject<Utf8RelPath>()));
             }
 
@@ -60,7 +60,7 @@ public static class SubMod
         if (swaps != null)
             foreach (var property in swaps.Properties())
             {
-                if (Utf8GamePath.FromString(property.Name, out var p))
+                if (Utf8GamePath.FromString(property.Name, out var p, true))
                     data.FileSwaps.TryAdd(p, new FullPath(property.Value.ToObject<string>()!));
             }