diff --git a/webif/html/sched/visual/index.jim b/webif/html/sched/visual/index.jim
index c0cc505f..12607538 100755
--- a/webif/html/sched/visual/index.jim
+++ b/webif/html/sched/visual/index.jim
@@ -23,7 +23,7 @@ lmap i \
 #set svcmap [lreverse $hmap]
 
 proc lsum {l} {
-	expr {[join $l +] + 0}
+	expr [join $l +] + 0
 }
 
 proc pop_event {} {