diff --git a/http_src/vue/dashboard-box.vue b/http_src/vue/dashboard-box.vue
index 23e0bc1e37..1142d59cd9 100644
--- a/http_src/vue/dashboard-box.vue
+++ b/http_src/vue/dashboard-box.vue
@@ -29,7 +29,7 @@ const props = defineProps({
 });
 
 const width_class = computed(() => {
-  return `col-${props.width || 4}`;
+  return `col-sm-${props.width || 4}`;
 });
 
 const height_class = computed(() => {