diff --git a/skyscanner/skyscanner.py b/skyscanner/skyscanner.py
index bf512d7..d6ecc4d 100755
--- a/skyscanner/skyscanner.py
+++ b/skyscanner/skyscanner.py
@@ -118,7 +118,7 @@ def get_additional_params(self, **params):
         ]
 
         additional_params = dict(
-            (key, value) for key, value in params.iteritems() if key in polling_params)
+            (key, value) for key, value in params.items() if key in polling_params)
 
         return additional_params