diff --git a/oidc_provider/views.py b/oidc_provider/views.py
index d8d2dd3..ea1108a 100644
--- a/oidc_provider/views.py
+++ b/oidc_provider/views.py
@@ -167,8 +167,8 @@ class JwksView(View):
             'alg': 'RS256',
             'use': 'sig',
             'kid': md5(key).hexdigest(),
-            'n': long_to_base64(public_key.n).encode('utf-8'),
-            'e': long_to_base64(public_key.e).encode('utf-8'),
+            'n': long_to_base64(public_key.n).decode('utf-8'),
+            'e': long_to_base64(public_key.e).decode('utf-8'),
         })
 
         return JsonResponse(dic)