diff --git a/cassandra/policies.py b/cassandra/policies.py
index e38821dd..4ff58ba6 100644
--- a/cassandra/policies.py
+++ b/cassandra/policies.py
@@ -40,7 +40,7 @@ class RoundRobinPolicy(LoadBalancingPolicy):
         length = len(self._live_hosts)
         if length:
             pos %= length
-            return islice(cycle(self._live_hosts), pos, pos + length)
+            return list(islice(cycle(self._live_hosts), pos, pos + length))
         else:
             return []