diff --git a/monitor.c b/monitor.c
index cdbaa60f98..48f0fdc7e9 100644
--- a/monitor.c
+++ b/monitor.c
@@ -4521,16 +4521,15 @@ void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
 
 void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
 {
+    int i;
+
     if (nb_args != 2) {
         return;
     }
     readline_set_completion_index(rs, strlen(str));
-    add_completion_option(rs, str, "reset");
-    add_completion_option(rs, str, "shutdown");
-    add_completion_option(rs, str, "poweroff");
-    add_completion_option(rs, str, "pause");
-    add_completion_option(rs, str, "debug");
-    add_completion_option(rs, str, "none");
+    for (i = 0; WatchdogExpirationAction_lookup[i]; i++) {
+        add_completion_option(rs, str, WatchdogExpirationAction_lookup[i]);
+    }
 }
 
 void migrate_set_capability_completion(ReadLineState *rs, int nb_args,