diff --git a/src/ui/inputwin.c b/src/ui/inputwin.c
index 9b4eddf..cf8c0b1 100644
--- a/src/ui/inputwin.c
+++ b/src/ui/inputwin.c
@@ -39,6 +39,7 @@
 #include <string.h>
 #include <wchar.h>
 #include <sys/time.h>
+#include <sys/select.h>
 #include <errno.h>
 
 #include <readline/readline.h>