diff --git a/extensions/model-extension/src/index.ts b/extensions/model-extension/src/index.ts
index f0f0589df..669051114 100644
--- a/extensions/model-extension/src/index.ts
+++ b/extensions/model-extension/src/index.ts
@@ -28,7 +28,7 @@ type Data<T> = {
 /**
  * Defaul mode sources
  */
-const defaultModelSources = ['Menlo/Jan-nano-gguf']
+const defaultModelSources = ['Menlo/Jan-nano-gguf', 'Menlo/Jan-nano-128k-gguf']
 
 /**
  * A extension for models