diff --git a/bot.go b/bot.go
index a3a90e5..b5d7f79 100644
--- a/bot.go
+++ b/bot.go
@@ -475,7 +475,7 @@ func botQuery(q *tb.Query) {
 }
 
 func botText(m *tb.Message) {
-	r := regexp.MustCompile("^/delete_(??<Ref>[a-f0-9]{16})$")
+	r := regexp.MustCompile("^/delete_(?<Ref>[a-f0-9]{16})$")
 	if r.MatchString(m.Text) {
 		ref := r.ReplaceAllString(m.Text, "${Ref}")
 		d, ok := companyDeleteMap[ref]