diff --git a/observer/messages/agent.go b/observer/messages/agent.go
index 6fd49cd..92e8a77 100644
--- a/observer/messages/agent.go
+++ b/observer/messages/agent.go
@@ -2,6 +2,6 @@ package messages
 
 const (
 	AGT_STARTING      = "AGT_STARTING"
-	AGENT_WILL_STOP = "AGENT_WILL_STOP"
+	AGT_WILL_STOP = "AGENT_WILL_STOP"
 	AGT_STOPPED      = "AGENT_STOPPED"
 )