diff --git a/src/tty.c b/src/tty.c
index f6ba569..615daea 100644
--- a/src/tty.c
+++ b/src/tty.c
@@ -12,6 +12,7 @@
 #include <fcntl.h>
 #include <stdio.h>
 #include <sys/ioctl.h>
+#include <sys/select.h>
 #include <termios.h>
 #include <unistd.h>