diff --git a/servers/nextjs/app/(presentation-generator)/outline/hooks/usePresentationGeneration.ts b/servers/nextjs/app/(presentation-generator)/outline/hooks/usePresentationGeneration.ts
index 94aef50..274a2f6 100644
--- a/servers/nextjs/app/(presentation-generator)/outline/hooks/usePresentationGeneration.ts
+++ b/servers/nextjs/app/(presentation-generator)/outline/hooks/usePresentationGeneration.ts
@@ -149,7 +149,7 @@ export const usePresentationGeneration = (
             }))
           };
         }
-      } else if (templateToUse) {
+      } else if (templateToUse && typeof templateToUse !== 'string') {
         // Built-in template
         layout = {
           name: templateToUse.id,