diff --git a/examples/pty_test/pty_test.c b/examples/pty_test/pty_test.c
index a4d90ef63..262e576bb 100644
--- a/examples/pty_test/pty_test.c
+++ b/examples/pty_test/pty_test.c
@@ -394,7 +394,7 @@ int main(int argc, FAR char *argv[])
     {
       /* Nothing to do, then sleep to avoid eating all cpu time */
 
-      usleep(10000);
+      pause();
     }
 
   return EXIT_SUCCESS;