diff --git a/apps/knowledge/knowledge.yaml b/apps/knowledge/knowledge.yaml
index e843a9d..e458eca 100644
--- a/apps/knowledge/knowledge.yaml
+++ b/apps/knowledge/knowledge.yaml
@@ -153,6 +153,8 @@ spec:
               value: "5"
             - name: Knowledge__MaxLimit
               value: "50"
+            - name: Knowledge__Federation__DatabasePath
+              value: "/data/vector-stores/knowledge-federation.db"
             - name: FlowerCore__Editions__ProfileDirectory
               value: "/home/app/editions"
             # Embed via edge1 Pi 5 + AI HAT+ (10.0.57.17:11434). Cluster