diff --git a/src/jwtauth/serializers.py b/src/jwtauth/serializers.py
index fefccf1..cc5da7f 100644
--- a/src/jwtauth/serializers.py
+++ b/src/jwtauth/serializers.py
@@ -55,7 +55,7 @@ class LoginSerializer(serializers.Serializer):
                 'A password is required to log in'
             )
 
-        user = authenticate(username=email, password=password)
+        user = authenticate(username=email, email=email, password=password)
 
         if user is None:
             raise serializers.ValidationError(