diff --git a/netbox/extras/forms/model_forms.py b/netbox/extras/forms/model_forms.py
index a1ecb61ad..99cddf07a 100644
--- a/netbox/extras/forms/model_forms.py
+++ b/netbox/extras/forms/model_forms.py
@@ -532,13 +532,11 @@ class ConfigRevisionForm(BootstrapMixin, forms.ModelForm, metaclass=ConfigFormMe
                     value = ', '.join(value)
                 self.fields[param.name].initial = value
 
-                if param.name == 'CUSTOM_VALIDATORS':
-                    # custom validators can be either dict or functions
-                    try:
-                        json.dumps(value)
-                    except TypeError:
-                        self.fields[param.name].initial = None
-                        self.fields[param.name].disabled = True
+                try:
+                    json.dumps(value)
+                except TypeError:
+                    self.fields[param.name].initial = None
+                    self.fields[param.name].disabled = True
 
             if is_static:
                 self.fields[param.name].disabled = True