diff --git a/flask_micropub.py b/flask_micropub.py
index 229db46..7011828 100644
--- a/flask_micropub.py
+++ b/flask_micropub.py
@@ -136,11 +136,13 @@ class MicropubClient:
 
         rdata = parse_qs(response.text)
         if response.status_code != 200:
+            error_vals = rdata.get('error')
+            error_descs = rdata.get('error_description')
             return AuthResponse(
                 next_url=next_url,
                 error='authorization failed. {}: {}'.format(
-                    next(rdata.get('error', []), None),
-                    next(rdata.get('error_description', []), None)))
+                    error_vals[0] if error_vals else 'Unknown Error',
+                    error_descs[0] if error_descs else 'Unknown Error'))
 
         if 'me' not in rdata:
             return AuthResponse(
diff --git a/setup.py b/setup.py
index c7f7565..105568a 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@ from setuptools import setup
 
 setup(
     name='Flask-Micropub',
-    version='0.1.2',
+    version='0.1.3',
     url='https://github.com/kylewm/flask-micropub/',
     license='BSD',
     author='Kyle Mahan',