diff --git a/timiki/rpc-client-bundle/4.0/config/packages/rpc_client.yaml b/timiki/rpc-client-bundle/4.0/config/packages/rpc_client.yaml
index 09d197b6..9b9020b6 100644
--- a/timiki/rpc-client-bundle/4.0/config/packages/rpc_client.yaml
+++ b/timiki/rpc-client-bundle/4.0/config/packages/rpc_client.yaml
@@ -6,4 +6,4 @@ rpc_client:
     #   name_1: RPC_SERVER_URL_1
     #   name_2: RPC_SERVER_URL_2
 
-    connection: ~
\ No newline at end of file
+    connection: null
\ No newline at end of file