diff --git a/src/server.jl b/src/server.jl
index 85b0709..2302a7d 100644
--- a/src/server.jl
+++ b/src/server.jl
@@ -983,7 +983,7 @@ function stop(demo_server::DemoServer)
     end
 end
 
-function _add_log_event!(client::Client, callback_name::Symbol, event; printf=false)
+function _add_log_event!(client::Client, callback_name::Symbol, event; printf=true)
     @lock client.log_lock begin
         if !haskey(client.callback_log, callback_name)
             client.callback_log[callback_name] = []