diff --git a/src/entity/gateway/entitygateway.rs b/src/entity/gateway/entitygateway.rs
index ee6c1fa..1327eaf 100644
--- a/src/entity/gateway/entitygateway.rs
+++ b/src/entity/gateway/entitygateway.rs
@@ -65,7 +65,7 @@ pub trait EntityGateway: Send + Sync + Clone {
         unimplemented!();
     }
 
-    async fn save_item(&mut self, _item: &ItemEntity) -> Result<(), GatewayError>  {
+    async fn change_item(&mut self, _id: &ItemEntityId, _item: &ItemDetail) -> Result<(), GatewayError>  {
         unimplemented!();
     }
 
diff --git a/src/entity/gateway/inmemory.rs b/src/entity/gateway/inmemory.rs
index 602d869..e943376 100644
--- a/src/entity/gateway/inmemory.rs
+++ b/src/entity/gateway/inmemory.rs
@@ -165,9 +165,12 @@ impl EntityGateway for InMemoryGateway {
         Ok(new_item)
     }
 
-    async fn save_item(&mut self, item: &ItemEntity) -> Result<(), GatewayError> {
+    async fn change_item(&mut self, id: &ItemEntityId, item: &ItemDetail) -> Result<(), GatewayError>  {
         let mut items = self.items.lock().unwrap();
-        items.insert(item.id, item.clone());
+        if let Some((_, ref mut old_item)) = items.iter_mut().find(|(existing_id, _)| **existing_id == *id) {
+            old_item.item = item.clone();
+        }
+
         Ok(())
     }
 
diff --git a/src/entity/gateway/postgres/postgres.rs b/src/entity/gateway/postgres/postgres.rs
index 266a98b..bbc8d39 100644
--- a/src/entity/gateway/postgres/postgres.rs
+++ b/src/entity/gateway/postgres/postgres.rs
@@ -312,6 +312,14 @@ impl EntityGateway for PostgresGateway {
         })
     }
 
+    async fn change_item(&mut self, id: &ItemEntityId, item: &ItemDetail) -> Result<(), GatewayError>  {
+        sqlx::query("update item set item = $1 where id = $2")
+            .bind(sqlx::types::Json(PgItemDetail::from(item.clone())))
+            .bind(id.0)
+            .execute(&self.pool).await?;
+        Ok(())
+    }
+
     async fn change_item_location(&mut self, item_id: &ItemEntityId, item_location: ItemLocation) -> Result<(), GatewayError> {
         let mut tx = self.pool.begin().await?;
         if let ItemLocation::Inventory{slot, ..} = &item_location {
diff --git a/src/ship/items/manager.rs b/src/ship/items/manager.rs
index 642ec51..a78e8b7 100644
--- a/src/ship/items/manager.rs
+++ b/src/ship/items/manager.rs
@@ -933,16 +933,8 @@ impl ItemManager {
             character_id: character.id,
             slot: slot,
             equipped: true,
-        }).await;
-        entity_gateway.save_item(&ItemEntity{
-            id: inventory_item.entity_id,
-            location: ItemLocation::Inventory{
-                character_id: character.id,
-                slot: slot,
-                equipped: true,
-            },
-            item: inventory_item.item.clone(),
-        }).await;
+        }).await?;
+        entity_gateway.change_item(&inventory_item.entity_id, &inventory_item.item).await?;
         Ok(())
     }
 
@@ -968,15 +960,7 @@ impl ItemManager {
             slot: slot,
             equipped: false,
         }).await;
-        entity_gateway.save_item(&ItemEntity{
-            id: inventory_item.entity_id,
-            location: ItemLocation::Inventory{
-                character_id: character.id,
-                slot: slot,
-                equipped: false,
-            },
-            item: inventory_item.item.clone(),
-        }).await;
+        entity_gateway.change_item(&inventory_item.entity_id, &inventory_item.item).await?;
         Ok(())
     }