diff --git a/src/registrar/forms/domain.py b/src/registrar/forms/domain.py
index f7b99555c..282bbc84f 100644
--- a/src/registrar/forms/domain.py
+++ b/src/registrar/forms/domain.py
@@ -162,8 +162,8 @@ class DomainSecurityEmailForm(forms.Form):
         label="Security email",
         required=False,
         error_messages={
-            'invalid': str(SecurityEmailError(code=SecurityEmailErrorCodes.BAD_DATA)),
-        }
+            "invalid": str(SecurityEmailError(code=SecurityEmailErrorCodes.BAD_DATA)),
+        },
     )
 
 
diff --git a/src/registrar/models/domain.py b/src/registrar/models/domain.py
index cb3b784e9..3bd2c0349 100644
--- a/src/registrar/models/domain.py
+++ b/src/registrar/models/domain.py
@@ -598,7 +598,7 @@ class Domain(TimeStampedModel, DomainHelper):
 
         # if unable to update domain raise error and stop
         if responseCode != ErrorCode.COMMAND_COMPLETED_SUCCESSFULLY:
-            raise NameserverError(code=nsErrorCodes.UNABLE_TO_UPDATE_DOMAIN)
+            raise NameserverError(code=nsErrorCodes.BAD_DATA)
 
         successTotalNameservers = len(oldNameservers) - deleteCount + addToDomainCount