diff --git a/CHANGELOG.md b/CHANGELOG.md
index c101eb96d..e8cfa7aa9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@ v2.5.1 (FUTURE)
 
 * [#2666](https://github.com/digitalocean/netbox/issues/2666) - Correct display of length unit in cables list
 * [#2676](https://github.com/digitalocean/netbox/issues/2676) - Fix exception when passing dictionary value to a ChoiceField
+* [#2678](https://github.com/digitalocean/netbox/issues/2678) - Fix error when viewing webhook in admin UI without write permission
 * [#2680](https://github.com/digitalocean/netbox/issues/2680) - Disallow POST requests to `/dcim/interface-connections/` API endpoint
 
 ---
diff --git a/netbox/extras/admin.py b/netbox/extras/admin.py
index e747bf71a..b4962dfd7 100644
--- a/netbox/extras/admin.py
+++ b/netbox/extras/admin.py
@@ -30,7 +30,8 @@ class WebhookForm(forms.ModelForm):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
-        order_content_types(self.fields['obj_type'])
+        if 'obj_type' in self.fields:
+            order_content_types(self.fields['obj_type'])
 
 
 @admin.register(Webhook, site=admin_site)