diff --git a/Content.Client/Materials/UI/MaterialStorageControl.xaml.cs b/Content.Client/Materials/UI/MaterialStorageControl.xaml.cs
index 0237b86db7..3cf1792c14 100644
--- a/Content.Client/Materials/UI/MaterialStorageControl.xaml.cs
+++ b/Content.Client/Materials/UI/MaterialStorageControl.xaml.cs
@@ -3,6 +3,7 @@ using Content.Shared.Materials;
 using Robust.Client.AutoGenerated;
 using Robust.Client.UserInterface.Controls;
 using Robust.Client.UserInterface.XAML;
+using Robust.Shared.Prototypes;
 using Robust.Shared.Timing;
 
 namespace Content.Client.Materials.UI;
@@ -17,7 +18,7 @@ public sealed partial class MaterialStorageControl : ScrollContainer
 
     private EntityUid? _owner;
 
-    private Dictionary<string, int> _currentMaterials = new();
+    private Dictionary<ProtoId<MaterialPrototype>, int> _currentMaterials = new();
 
     public MaterialStorageControl()
     {
@@ -44,7 +45,7 @@ public sealed partial class MaterialStorageControl : ScrollContainer
         }
 
         var canEject = materialStorage.CanEjectStoredMaterials;
-        var mats = materialStorage.Storage.Select(pair => (pair.Key.Id, pair.Value)).ToDictionary();
+        var mats = materialStorage.Storage;
         if (_currentMaterials.Equals(mats))
             return;