diff --git a/webif/lib/rsv.class b/webif/lib/rsv.class
index 5998e0b..3f691de 100644
--- a/webif/lib/rsv.class
+++ b/webif/lib/rsv.class
@@ -702,7 +702,8 @@ rsv method insert {{table pending} {force 0} {defer 0}} {
 	$rsvdb query "delete from ${table} where ulslot = $ulslot;"
 	$rsvdb query $query {*}$bvals
 
-	system plog activity "Scheduled [$self name] @ $nsttime"
+	set actstr [format "%scheduled" $($action ? "Uns" : "S")]
+	system plog activity "$actstr [$self name] @ $nsttime"
 
 	if {$table eq "pending" && !$defer} { rsv commit }
 }