diff --git a/weed/command/scaffold/filer.toml b/weed/command/scaffold/filer.toml
index 574125207..728aecb53 100644
--- a/weed/command/scaffold/filer.toml
+++ b/weed/command/scaffold/filer.toml
@@ -285,7 +285,7 @@ password = ""
 ssl = false
 ssl_ca_file = ""
 ssl_cert_file = ""
-ssl_key_file = "
+ssl_key_file = ""
 insecure_skip_verify = false
 option_pool_size = 0
 database = "seaweedfs"