diff --git a/k8s/apps/matrix/matrix-stack-values.yaml b/k8s/apps/matrix/matrix-stack-values.yaml
index cf476ca..4fd388c 100644
--- a/k8s/apps/matrix/matrix-stack-values.yaml
+++ b/k8s/apps/matrix/matrix-stack-values.yaml
@@ -45,6 +45,14 @@ matrixRTC:
 ## Synapse homeserver
 synapse:
   enabled: true
+  additional:
+    0-search-config:
+      config: |
+        user_directory:
+          enabled: true
+          search_all_users: true
+          prefer_local_users: true
+        enable_room_list_search: true
   ingress:
     host: synapse.matrix.hexor.cy
   postgres: