diff --git a/packages/blocks/src/cms/loader.ts b/packages/blocks/src/cms/loader.ts
index 6f99c158..40368134 100644
--- a/packages/blocks/src/cms/loader.ts
+++ b/packages/blocks/src/cms/loader.ts
@@ -403,7 +403,7 @@ export function getSiteSeo(): {
   noIndexing?: boolean;
 } {
   const blocks = loadBlocks();
-  const site = blocks["Site"] as Record<string, unknown> | undefined;
+  const site = (blocks["Site"] ?? blocks["site"]) as Record<string, unknown> | undefined;
   if (!site) return {};
   const seo = site.seo as Record<string, unknown> | undefined;
   if (!seo) return {};
diff --git a/packages/tanstack/src/sdk/workerEntry.ts b/packages/tanstack/src/sdk/workerEntry.ts
index 712956e9..2537fad1 100644
--- a/packages/tanstack/src/sdk/workerEntry.ts
+++ b/packages/tanstack/src/sdk/workerEntry.ts
@@ -1976,7 +1976,7 @@ export function createDecoWorkerEntry(
 
       // Merge site-wide SEO defaults into seo props
       const blocks = loadBlocks();
-      const site = blocks["Site"] as Record<string, unknown> | undefined;
+      const site = (blocks["Site"] ?? blocks["site"]) as Record<string, unknown> | undefined;
       const fullSiteSeo = (site?.seo as Record<string, unknown>) ?? {};
 
       // When SeoV2 loader ran, use its output as base (preserves key order)