diff --git a/examples/client_test.cpp b/examples/client_test.cpp
index 840bb60d3..c1ebd9a7a 100644
--- a/examples/client_test.cpp
+++ b/examples/client_test.cpp
@@ -106,6 +106,7 @@ bool sleep_and_input(int* c, int sleep)
 #include <termios.h>
 #include <sys/ioctl.h>
 #include <csignal>
+#include <utility>
 
 struct set_keypress
 {