diff --git a/hw/arm_mptimer.c b/hw/arm_mptimer.c
index df7fb4c9bde1e537a87f53f8145fee1141d792a7..fe43cbb5f1e8e9894999d8b3c0d6ac64901d18d9 100644
--- a/hw/arm_mptimer.c
+++ b/hw/arm_mptimer.c
@@ -228,6 +228,9 @@ static void timerblock_reset(timerblock *tb)
     tb->control = 0;
     tb->status = 0;
     tb->tick = 0;
+    if (tb->timer) {
+        qemu_del_timer(tb->timer);
+    }
 }
 
 static void arm_mptimer_reset(DeviceState *dev)