diff --git a/scripts/dashboard/Activity.vue b/scripts/dashboard/Activity.vue
index 990d6945..fe3431d8 100644
--- a/scripts/dashboard/Activity.vue
+++ b/scripts/dashboard/Activity.vue
@@ -265,6 +265,7 @@ const rewardsText = computed(() => {
 function reset() {
     txs.value = [];
     txCount = 0;
+    nRewardUpdateHeight = 0;
     update(0);
 }