diff --git a/Documentation/watchdog/src/watchdog-test.c b/Documentation/watchdog/src/watchdog-test.c
index 73ff5cc93e05db4c93321464cb8ae948571a18fe..3da822967ee0e13d1a2dbcd88d2d75f5a4aca370 100644
--- a/Documentation/watchdog/src/watchdog-test.c
+++ b/Documentation/watchdog/src/watchdog-test.c
@@ -31,7 +31,7 @@ static void keep_alive(void)
  * or "-e" to enable the card.
  */
 
-void term(int sig)
+static void term(int sig)
 {
     close(fd);
     fprintf(stderr, "Stopping watchdog ticks...\n");