diff --git a/Assets/Examples/Resources/ItemDatabase.asset b/Assets/Examples/Resources/ItemDatabase.asset
index 838d617..5c02548 100644
--- a/Assets/Examples/Resources/ItemDatabase.asset
+++ b/Assets/Examples/Resources/ItemDatabase.asset
@@ -14,6 +14,7 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   _autoLoad: 1
   _definitions:
+  - {fileID: 11400000, guid: 80d3b6ab2a78e6b418da8aed88e32926, type: 2}
   - {fileID: 11400000, guid: d3988ba3f8a2c44e6a1b98201ce75ee2, type: 2}
   - {fileID: 11400000, guid: 4e2438a1b36c043e587e88575d07b5ff, type: 2}
   - {fileID: 11400000, guid: 5e7593ddbeb614a3984bd7fcc9251406, type: 2}
diff --git a/Assets/Examples/Shop/Definitions/CustomItem.asset b/Assets/Examples/Shop/Definitions/CustomItem.asset
new file mode 100644
index 0000000..31e8495
--- /dev/null
+++ b/Assets/Examples/Shop/Definitions/CustomItem.asset
@@ -0,0 +1,15 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &11400000
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: e149b91f3de145dc9820a3c795b7b05a, type: 3}
+  m_Name: CustomItem
+  m_EditorClassIdentifier: 
+  _id: fe563339-c771-4245-9db6-3b38dccf7426
diff --git a/Assets/Examples/Shop/Definitions/CustomItem.asset.meta b/Assets/Examples/Shop/Definitions/CustomItem.asset.meta
new file mode 100644
index 0000000..4cbb35e
--- /dev/null
+++ b/Assets/Examples/Shop/Definitions/CustomItem.asset.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 80d3b6ab2a78e6b418da8aed88e32926
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 11400000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Examples/Shop/Scripts/Definitions/ItemDefinitionCustomDisplayName.cs b/Assets/Examples/Shop/Scripts/Definitions/ItemDefinitionCustomDisplayName.cs
new file mode 100644
index 0000000..25b1ba8
--- /dev/null
+++ b/Assets/Examples/Shop/Scripts/Definitions/ItemDefinitionCustomDisplayName.cs
@@ -0,0 +1,12 @@
+using CleverCrow.Fluid.ElasticInventory;
+
+namespace CleverCrow.Fluid.Examples {
+    /// <summary>
+    /// Simulates creating a custom display name and category for an item definition
+    /// </summary>
+    [ItemDefinitionDetails("Custom Display Details")]
+    public class ItemDefinitionCustomDisplayName : ItemDefinitionBase {
+        public override string DisplayName => "Custom Display Name";
+        public override string Category => "Custom Category";
+    }
+}
diff --git a/Assets/Examples/Shop/Scripts/Definitions/ItemDefinitionCustomDisplayName.cs.meta b/Assets/Examples/Shop/Scripts/Definitions/ItemDefinitionCustomDisplayName.cs.meta
new file mode 100644
index 0000000..15f27ef
--- /dev/null
+++ b/Assets/Examples/Shop/Scripts/Definitions/ItemDefinitionCustomDisplayName.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: e149b91f3de145dc9820a3c795b7b05a
+timeCreated: 1736629859
\ No newline at end of file
diff --git a/Assets/com.fluid.elastic-inventory/Editor/Components/Pages/PageItemDatabase.cs b/Assets/com.fluid.elastic-inventory/Editor/Components/Pages/PageItemDatabase.cs
index cd5f8dd..9c77ee4 100644
--- a/Assets/com.fluid.elastic-inventory/Editor/Components/Pages/PageItemDatabase.cs
+++ b/Assets/com.fluid.elastic-inventory/Editor/Components/Pages/PageItemDatabase.cs
@@ -95,7 +95,13 @@ void CreateItemDefinition (ItemDatabase database, Type type) {
 
             var serializedObject = new SerializedObject(itemDefinition);
             var fileName = System.IO.Path.GetFileNameWithoutExtension(path);
-            serializedObject.FindProperty("_displayName").stringValue = MakeSpacedWord(fileName);
+
+            // Set the display name to be the spaced version of the file name (if it exists)
+            var displayName = serializedObject.FindProperty("_displayName");
+            if (displayName != null) {
+                displayName.stringValue = MakeSpacedWord(fileName);
+            }
+
             // @TODO Duplicate IDs are inevitable due to object cloning, repair them automatically when refreshing asset references
             serializedObject.FindProperty("_id").stringValue = Guid.NewGuid().ToString();
             serializedObject.ApplyModifiedPropertiesWithoutUndo();