diff --git a/echo-server.rkt b/echo-server.rkt
index 1b19d4a..235da63 100644
--- a/echo-server.rkt
+++ b/echo-server.rkt
@@ -24,7 +24,7 @@
   (error 'echo-server "Please supply the --logbook-entry-type command-line argument."))
 
 (define L (default-logbook))
-(define E (logbook-entry L "minimart" server-entry-name "external-latency"))
+(define E (logbook-entry L "minimart" server-entry-name server-entry-type))
 (define Tmem (logbook-table E "server-memory-use" #:column-spec '(time-seconds memory-use)))
 (define Tconn (logbook-table E "server-connections" #:column-spec '(time-seconds connection-count)))