diff --git a/defaults/main.yml b/defaults/main.yml
index 134554c..885039a 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -64,7 +64,7 @@ besu_cmdline_args: []
 besu_env_opts: []
 besu_permissions_nodes_contract_version: 2
 besu_xdns_enabled: "false"
-besu_static_nodes_file=""
+besu_static_nodes_file: ""
 
 # privacy
 besu_privacy_enabled: "false"