diff --git a/rcr/models.py b/rcr/models.py
index fcf066ee..4269cedb 100644
--- a/rcr/models.py
+++ b/rcr/models.py
@@ -24,7 +24,7 @@ class Item(models.Model):
     targeted_to_group = models.CharField(max_length=255, default="Targeted")
 
 
-    rcr_platform_id = models.CharField(max_length=255)
+    rcr_platform_id = models.CharField(max_length=255, unique=True)
 
     category = models.ForeignKey("Category", on_delete=models.SET_NULL, null=True, blank=True)