diff --git a/src/tty.c b/src/tty.c
index f4f9040..33bbed9 100644
--- a/src/tty.c
+++ b/src/tty.c
@@ -32,6 +32,7 @@
 #include <termios.h>
 #include <stdbool.h>
 #include <errno.h>
+#include <time.h>
 #include "tio/tty.h"
 #include "tio/print.h"
 #include "tio/options.h"
@@ -308,6 +309,8 @@ int connect_tty(void)
 
                 if (forward)
                 {
+                    struct timespec ts;
+
                     /* Send output to tty device */
                     status = write(fd, &output_char, 1);
                     if (status < 0)
@@ -321,8 +324,10 @@ int connect_tty(void)
                     tx_total++;
 
                     /* Insert output delay */
+                    ts.tv_sec = 0;
+                    ts.tv_nsec = option.output_delay * 1000000;
                     if (option.output_delay)
-                        usleep(option.output_delay * 1000);
+                        nanosleep(&ts, NULL);
 
                 }