From dd2efc360b7f6371f870c56a1cf8c4a6c50b87df Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pawe=C5=82=20Chmielowski?= <pawel@process-one.net>
Date: Tue, 2 May 2023 15:59:40 +0200
Subject: [PATCH] Fix return values from calculate_diff inside mod_privacy_sql

---
 src/mod_privacy_sql.erl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mod_privacy_sql.erl b/src/mod_privacy_sql.erl
index 33d70a71c..ade3bf1ad 100644
--- a/src/mod_privacy_sql.erl
+++ b/src/mod_privacy_sql.erl
@@ -425,8 +425,8 @@ set_privacy_list_new(ID, RItems) ->
 calculate_difference(List1, List2) ->
     Set1 = gb_sets:from_list(List1),
     Set2 = gb_sets:from_list(List2),
-    {gb_sets:subtract(Set1, Set2),
-     gb_sets:subtract(Set2, Set1)}.
+    {gb_sets:to_list(gb_sets:subtract(Set1, Set2)),
+     gb_sets:to_list(gb_sets:subtract(Set2, Set1))}.
 
 set_privacy_list(ID, RItems) ->
     case ejabberd_sql:sql_query_t(