diff --git a/demo/config/packages/ai.yaml b/demo/config/packages/ai.yaml
index 9c39b449f..a7928348a 100644
--- a/demo/config/packages/ai.yaml
+++ b/demo/config/packages/ai.yaml
@@ -79,5 +79,6 @@ services:
     Symfony\AI\Agent\Toolbox\Tool\Wikipedia: ~
     Symfony\AI\Agent\Toolbox\Tool\SimilaritySearch:
         $vectorizer: '@ai.vectorizer.openai_embeddings'
-    
+        $store: '@ai.store.chroma_db.symfonycon'
+
     Symfony\AI\Store\Document\Transformer\TextTrimTransformer: ~