diff --git a/examples/SpdyServer.cc b/examples/SpdyServer.cc
index 0142a01d..e1590cf2 100644
--- a/examples/SpdyServer.cc
+++ b/examples/SpdyServer.cc
@@ -53,7 +53,7 @@ const std::string STATUS_304 = "304 Not Modified";
 const std::string STATUS_400 = "400 Bad Request";
 const std::string STATUS_404 = "404 Not Found";
 const std::string DEFAULT_HTML = "index.html";
-const std::string SPDYD_SERVER = "spdyd spdylay/"SPDYLAY_VERSION;
+const std::string SPDYD_SERVER = "spdyd spdylay/" SPDYLAY_VERSION;
 } // namespace
 
 Config::Config(): verbose(false), daemon(false), port(0), data_ptr(0),
diff --git a/examples/shrpx_listen_handler.cc b/examples/shrpx_listen_handler.cc
index a49036c2..2503fc48 100644
--- a/examples/shrpx_listen_handler.cc
+++ b/examples/shrpx_listen_handler.cc
@@ -24,6 +24,7 @@
  */
 #include "shrpx_listen_handler.h"
 
+#include <unistd.h>
 #include <pthread.h>
 
 #include <cerrno>
diff --git a/examples/shrpx_thread_event_receiver.cc b/examples/shrpx_thread_event_receiver.cc
index 009589d9..16a74ce1 100644
--- a/examples/shrpx_thread_event_receiver.cc
+++ b/examples/shrpx_thread_event_receiver.cc
@@ -24,6 +24,8 @@
  */
 #include "shrpx_thread_event_receiver.h"
 
+#include <unistd.h>
+
 #include "shrpx_ssl.h"
 #include "shrpx_log.h"
 #include "shrpx_client_handler.h"
diff --git a/examples/spdylay_ssl.cc b/examples/spdylay_ssl.cc
index f0eea358..6faacf9c 100644
--- a/examples/spdylay_ssl.cc
+++ b/examples/spdylay_ssl.cc
@@ -132,7 +132,7 @@ int Spdylay::submit_request(const std::string& hostport,
     ":scheme", "https",
     ":host", hostport.c_str(),
     "accept", "*/*",
-    "user-agent", "spdylay/"SPDYLAY_VERSION,
+    "user-agent", "spdylay/" SPDYLAY_VERSION,
     NULL
   };
   return spdylay_submit_request(session_, pri, nv, NULL, stream_user_data);