diff --git a/apps/m3u/migrations/0017_alter_m3uaccount_custom_properties_and_more.py b/apps/m3u/migrations/0017_alter_m3uaccount_custom_properties_and_more.py
index 28122ab9..84cb968b 100644
--- a/apps/m3u/migrations/0017_alter_m3uaccount_custom_properties_and_more.py
+++ b/apps/m3u/migrations/0017_alter_m3uaccount_custom_properties_and_more.py
@@ -1,4 +1,4 @@
-# Generated by Django 5.2.4 on 2025-09-02 14:30
+# Generated by Django 5.2.4 on 2025-09-02 15:19
 
 from django.db import migrations, models
 
@@ -15,6 +15,11 @@ class Migration(migrations.Migration):
             name='custom_properties',
             field=models.JSONField(blank=True, default=dict, null=True),
         ),
+        migrations.AlterField(
+            model_name='m3uaccount',
+            name='server_url',
+            field=models.URLField(blank=True, help_text='The base URL of the M3U server (optional if a file is uploaded)', max_length=1000, null=True),
+        ),
         migrations.AlterField(
             model_name='m3ufilter',
             name='custom_properties',
diff --git a/apps/m3u/models.py b/apps/m3u/models.py
index abeb3c06..9870aa93 100644
--- a/apps/m3u/models.py
+++ b/apps/m3u/models.py
@@ -29,6 +29,7 @@ class M3UAccount(models.Model):
         max_length=255, unique=True, help_text="Unique name for this M3U account"
     )
     server_url = models.URLField(
+        max_length=1000,
         blank=True,
         null=True,
         help_text="The base URL of the M3U server (optional if a file is uploaded)",