diff --git a/proxy_resolver.cc b/proxy_resolver.cc
index 26dff7b..43754be 100644
--- a/proxy_resolver.cc
+++ b/proxy_resolver.cc
@@ -33,8 +33,10 @@
 void DirectProxyResolver::ReturnCallback(ProxiesResolvedFn callback,
                                          void* data) {
   idle_callback_id_ = 0;
-  std::deque<std::string> proxies;
-  proxies.push_back(kNoProxy);
+
+  // Initialize proxy pool with as many proxies as indicated (all identical).
+  std::deque<std::string> proxies(num_proxies_, kNoProxy);
+
   (*callback)(proxies, data);
 }