diff --git a/rest_framework_jwt/serializers.py b/rest_framework_jwt/serializers.py
index 12b10a44..0ee5aa6c 100644
--- a/rest_framework_jwt/serializers.py
+++ b/rest_framework_jwt/serializers.py
@@ -47,7 +47,7 @@ def validate(self, attrs):
         }
 
         if all(credentials.values()):
-            user = authenticate(**credentials)
+            user = authenticate(self.context.get('request', None), **credentials)
 
             if user:
                 if not user.is_active: