diff --git a/hw/watchdog/wdt_diag288.c b/hw/watchdog/wdt_diag288.c
index 2a885a447c..ddda723906 100644
--- a/hw/watchdog/wdt_diag288.c
+++ b/hw/watchdog/wdt_diag288.c
@@ -51,6 +51,13 @@ static void diag288_timer_expired(void *dev)
 {
     qemu_log_mask(CPU_LOG_RESET, "Watchdog timer expired.\n");
     watchdog_perform_action();
+    /* Reset the watchdog only if the guest was notified about expiry. */
+    switch (get_watchdog_action()) {
+    case WDT_DEBUG:
+    case WDT_NONE:
+    case WDT_PAUSE:
+         return;
+    }
     wdt_diag288_reset(dev);
 }