diff --git a/src/Item/Item.service.spec.ts b/src/Item/Item.service.spec.ts
new file mode 100644
index 00000000..6b407a94
--- /dev/null
+++ b/src/Item/Item.service.spec.ts
@@ -0,0 +1,29 @@
+import { dbItemMock } from '../../spec/mocks/items'
+import { Item } from './Item.model'
+import { ItemService } from './Item.service'
+import { ItemAttributes } from './Item.types'
+
+jest.mock('./Item.model')
+
+describe('Item Service', () => {
+  let dbItem: ItemAttributes
+  describe('isOwnedOrManagedBy', () => {
+    const service = new ItemService()
+    beforeEach(() => {
+      dbItem = { ...dbItemMock, eth_address: '0xoriginalAddress' }
+      ;(Item.findOne as jest.Mock).mockResolvedValueOnce(dbItem)
+    })
+
+    it('should return true when the owner is the sender', async () => {
+      expect(
+        await service.isOwnedOrManagedBy(dbItem.id, '0xoriginalAddress')
+      ).toBe(true)
+    })
+
+    it('should return false when  the sender is not the owner', async () => {
+      expect(
+        await service.isOwnedOrManagedBy(dbItem.id, '0xanotherAddress')
+      ).toBe(false)
+    })
+  })
+})
diff --git a/src/Item/Item.service.ts b/src/Item/Item.service.ts
index 11208ec6..ce9a2932 100644
--- a/src/Item/Item.service.ts
+++ b/src/Item/Item.service.ts
@@ -120,7 +120,7 @@ export class ItemService {
         ethAddress
       )
     } else {
-      return dbItem.eth_address === dbItem.eth_address
+      return ethAddress === dbItem.eth_address
     }
   }