diff --git a/quartz/plugins/pageTypes/dispatcher.ts b/quartz/plugins/pageTypes/dispatcher.ts
index bb6b6de..0ac03ff 100644
--- a/quartz/plugins/pageTypes/dispatcher.ts
+++ b/quartz/plugins/pageTypes/dispatcher.ts
@@ -55,7 +55,7 @@ function collectComponents(
       layout.footer,
     ]
     for (const c of all) {
-      seen.add(c)
+      if (c) seen.add(c)
     }
   }
   return [...seen]