diff --git a/examples/termios/termios_main.c b/examples/termios/termios_main.c
index 7af76894e..44512af31 100644
--- a/examples/termios/termios_main.c
+++ b/examples/termios/termios_main.c
@@ -36,7 +36,7 @@
  * main
  ****************************************************************************/
 
-void main(int argc, FAR char *argv[])
+int main(int argc, FAR char *argv[])
 {
   int fd;
   int ret;
@@ -123,5 +123,6 @@ void main(int argc, FAR char *argv[])
             "Expected error code: 0. Current code: %d\n", error);
       sleep(1);
     }
+  return 0;
 }