diff --git a/src/interface.jl b/src/interface.jl
index c080ca4..c940d4a 100755
--- a/src/interface.jl
+++ b/src/interface.jl
@@ -78,7 +78,7 @@ function agent(
   newAgent.availableRole = availableRole
   newAgent.maxUserMsg = maxUserMsg
   systemMessage_ = "Your name is $agentName. " * systemMessage
-  push!(newAgent.messages, Dict(:role=>"system", :content=> systemMessage_, :timestamp=> Dates.now()))[,]
+  push!(newAgent.messages, Dict(:role=>"system", :content=> systemMessage_, :timestamp=> Dates.now()))
   newAgent.mqttClient = CommUtils.mqttClient(mqttClientSpec)
   newAgent.msgMeta = msgMeta