diff --git a/superset/bin/superset b/superset/bin/superset
index 95ec5327724f1..3e18e4d010539 100755
--- a/superset/bin/superset
+++ b/superset/bin/superset
@@ -23,9 +23,9 @@ class GunicornSupersetApplication(gunicorn.app.base.BaseApplication):
         super(GunicornSupersetApplication, self).__init__()
 
     def load_config(self):
-        config = dict([(key, value) for key, value in self.options.iteritems()
-                       if key in self.cfg.settings and value is not None])
-        for key, value in config.iteritems():
+        config = [(key, value) for key, value in self.options.items()
+                       if key in self.cfg.settings and value is not None]
+        for key, value in config:
             self.cfg.set(key.lower(), value)
 
     def load(self):