diff --git a/src/main/java/com/petshop/backend/entity/Inventory.java b/src/main/java/com/petshop/backend/entity/Inventory.java
index 4e67b106..4b167c91 100644
--- a/src/main/java/com/petshop/backend/entity/Inventory.java
+++ b/src/main/java/com/petshop/backend/entity/Inventory.java
@@ -22,7 +22,7 @@ public class Inventory {
     private Product product;
 
     @ManyToOne
-    @JoinColumn(name = "store_id", nullable = false)
+    @JoinColumn(name = "store_id", nullable = true)
     private Store store;
 
     @Column(nullable = false)