diff --git a/client/client.c b/client/client.c
index 0d4bdf3e..97cf6639 100644
--- a/client/client.c
+++ b/client/client.c
@@ -25,9 +25,10 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <errno.h>
+#include <sys/select.h>
 #include <sys/socket.h>
-#include <sys/un.h>
 #include <sys/types.h>
+#include <sys/un.h>
 
 #include "nest/bird.h"
 #include "lib/resource.h"