diff --git a/Ui.cpp b/Ui.cpp
index 867f33a..3ef6de9 100644
--- a/Ui.cpp
+++ b/Ui.cpp
@@ -27,6 +27,7 @@
 #include <boost/format.hpp>
 #include <boost/foreach.hpp>
 #include <boost/algorithm/string.hpp>
+#include <sys/select.h>
 
 using namespace std;
 using namespace boost;