diff --git a/flask_canvas.py b/flask_canvas.py
index b012cba..f09ea7d 100644
--- a/flask_canvas.py
+++ b/flask_canvas.py
@@ -48,8 +48,9 @@ def has_permissions(self):
         Checks the current user permission set against the one being requested
         by the application.
         """
-        perms = self.request('/me/permissions')['data'][0].keys()
-        return all(k in perms for k in app.config[
+        perm_data = self.request('/me/permissions')['data']
+        granted_perms = [perm['permission'] for perm in perm_data if perm['status'] == 'granted']
+        return all(k in granted_perms for k in app.config[
             'CANVAS_SCOPE'].split(','))