diff --git a/.gitignore b/.gitignore
index 58ee52dd6..e52da2f48 100644
--- a/.gitignore
+++ b/.gitignore
@@ -98,6 +98,7 @@ dist/
 # vitepress build output
 .vitepress/dist
 .vitepress/cache
+.vitepress/.temp
 
 # Serverless directories
 .serverless/
diff --git a/.vitepress/theme/components/SponsorsGroup.vue b/.vitepress/theme/components/SponsorsGroup.vue
index ccfcc5453..9acc789d4 100644
--- a/.vitepress/theme/components/SponsorsGroup.vue
+++ b/.vitepress/theme/components/SponsorsGroup.vue
@@ -47,7 +47,7 @@ function track(interest?: boolean) {
 }
 
 function resolveList(data: SponsorData) {
-  let currentTier = data[props.tier]
+  let currentTier = data[props.tier] || []
   // in aside, treat platinum+priority as special
   if (props.placement === 'aside') {
     if (props.tier === 'platinum') {