diff --git a/bookmarks/migrations/0051_fix_normalized_url.py b/bookmarks/migrations/0051_fix_normalized_url.py
new file mode 100644
index 0000000..adc6e9d
--- /dev/null
+++ b/bookmarks/migrations/0051_fix_normalized_url.py
@@ -0,0 +1,34 @@
+# Generated by Django 5.2.5 on 2025-10-11 08:46
+
+from django.db import migrations
+from bookmarks.utils import normalize_url
+
+
+def fix_url_normalized(apps, schema_editor):
+    Bookmark = apps.get_model("bookmarks", "Bookmark")
+
+    batch_size = 200
+    qs = Bookmark.objects.filter(url_normalized="").all()
+    for start in range(0, qs.count(), batch_size):
+        batch = list(qs[start : start + batch_size])
+        for bookmark in batch:
+            bookmark.url_normalized = normalize_url(bookmark.url)
+        Bookmark.objects.bulk_update(batch, ["url_normalized"])
+
+
+def reverse_fix_url_normalized(apps, schema_editor):
+    pass
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("bookmarks", "0050_new_search_toast"),
+    ]
+
+    operations = [
+        migrations.RunPython(
+            fix_url_normalized,
+            reverse_fix_url_normalized,
+        ),
+    ]
diff --git a/scripts/run-postgres.sh b/scripts/run-postgres.sh
index c6ac16c..43c4ab7 100755
--- a/scripts/run-postgres.sh
+++ b/scripts/run-postgres.sh
@@ -9,6 +9,7 @@ docker run -d \
   -e POSTGRES_USER=linkding \
   -e POSTGRES_PASSWORD=linkding \
   -p 5432:5432 \
+  -v $(pwd)/tmp/postgres-data:/var/lib/postgresql/data \
   --name linkding-postgres-test \
   postgres