diff --git a/src/papiezator/models.py b/src/papiezator/models.py
index 384438b..e0fddaf 100644
--- a/src/papiezator/models.py
+++ b/src/papiezator/models.py
@@ -4,7 +4,8 @@ DECIMAL_PLACES = 3
 
 
 class PopeImage(models.Model):
-    path = models.CharField(max_length=200, primary_key=True)
+    id = models.AutoField(primary_key=True)
+    path = models.CharField(max_length=200)
     width = models.IntegerField()
     height = models.IntegerField()
     aspect_ratio = models.FloatField()