diff --git a/lib/util.php b/lib/util.php
index 249c467d90..b7226bd581 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -880,7 +880,7 @@ function common_save_replies($notice) {
 		return true;
 	}
 	# XXX: is there another way to make an array copy?
-	$names = ($tname) ? array_unique(array_merge(array(strtolower($tname)), $match[1])) : $match[1];
+	$names = ($tname) ? array_unique(array_merge(array(strtolower($tname)), $match[1])) : array_unique($match[1]);
 	$sender = Profile::staticGet($notice->profile_id);
 	# store replied only for first @ (what user/notice what the reply directed,
 	# we assume first @ is it)