diff --git a/apps/authentication/api/mfa.py b/apps/authentication/api/mfa.py
index 3d7cde6ad..a0bec8216 100644
--- a/apps/authentication/api/mfa.py
+++ b/apps/authentication/api/mfa.py
@@ -30,9 +30,10 @@ class MFAChallengeApi(AuthMixin, CreateAPIView):
                 raise errors.MFAFailedError(
                     username=user.username, request=self.request
                 )
-
+            else:
+                self.request.session['auth_mfa'] = '1'
         except errors.AuthFailedError as e:
-            data = {"error": e.error, "msg": e.reason}
+            data = {"error": e.error, "msg": e.msg}
             raise ValidationError(data)
 
     def create(self, request, *args, **kwargs):
diff --git a/apps/authentication/errors.py b/apps/authentication/errors.py
index adafd05b1..0a5d42e77 100644
--- a/apps/authentication/errors.py
+++ b/apps/authentication/errors.py
@@ -128,12 +128,12 @@ class BlockLoginError(AuthFailedNeedBlockMixin, AuthFailedError):
 
 class SessionEmptyError(AuthFailedError):
     msg = session_empty_msg
-    error = 'session_empty_msg'
+    error = 'session_empty'
 
 
 class MFARequiredError(AuthFailedError):
     msg = mfa_required_msg
-    error = 'mfa_required_msg'
+    error = 'mfa_required'
 
     def as_data(self):
         return {
@@ -146,12 +146,12 @@ class MFARequiredError(AuthFailedError):
 
 class LoginConfirmRequiredError(AuthFailedError):
     msg = login_confirm_required_msg
-    error = 'login_confirm_required_msg'
+    error = 'login_confirm_required'
 
 
 class LoginConfirmError(AuthFailedError):
     msg = login_confirm_wait_msg
-    error = 'login_confirm_wait_msg'
+    error = 'login_confirm_wait'
 
     def __init__(self, order_id, **kwargs):
         self.order_id = order_id
@@ -167,14 +167,14 @@ class LoginConfirmError(AuthFailedError):
 
 class LoginConfirmWaitError(LoginConfirmError):
     msg = login_confirm_wait_msg
-    error = 'login_confirm_wait_msg'
+    error = 'login_confirm_wait'
 
 
 class LoginConfirmRejectedError(LoginConfirmError):
     msg = login_confirm_rejected_msg
-    error = 'login_confirm_rejected_msg'
+    error = 'login_confirm_rejected'
 
 
 class LoginConfirmOrderNotFound(LoginConfirmError):
     msg = login_confirm_order_not_found_msg
-    error = 'login_confirm_order_not_found_msg'
+    error = 'login_confirm_order_not_found'
diff --git a/apps/authentication/serializers.py b/apps/authentication/serializers.py
index 0a2f70dda..029c51c1e 100644
--- a/apps/authentication/serializers.py
+++ b/apps/authentication/serializers.py
@@ -60,7 +60,7 @@ class BearerTokenSerializer(serializers.Serializer):
 
 
 class MFAChallengeSerializer(serializers.Serializer):
-    auth_type = serializers.CharField(write_only=True, required=False, allow_blank=True)
+    type = serializers.CharField(write_only=True, required=False, allow_blank=True)
     code = serializers.CharField(write_only=True)
 
     def create(self, validated_data):