diff --git a/db_scripts/diff/15718.down b/db_scripts/diff/15718.down
new file mode 100644
index 00000000..2d1faaa2
--- /dev/null
+++ b/db_scripts/diff/15718.down
@@ -0,0 +1,12 @@
+SET autocommit=0;
+
+USE provisioning
+
+SELECT id FROM voip_preferences where attribute='language' INTO @pref_id;
+
+INSERT INTO voip_preferences_enum
+(preference_id, label, value, usr_pref, dom_pref, peer_pref, contract_pref, prof_pref, default_val)
+VALUES
+(@pref_id, 'Russian', 'ru', 1, 1, 0, 0, 0, 0);
+
+commit;
\ No newline at end of file
diff --git a/db_scripts/diff/15718.up b/db_scripts/diff/15718.up
new file mode 100644
index 00000000..a2e0bcb3
--- /dev/null
+++ b/db_scripts/diff/15718.up
@@ -0,0 +1,12 @@
+SET autocommit=0;
+
+USE provisioning
+
+SELECT id FROM voip_preferences where attribute='language' INTO @pref_id;
+
+UPDATE voip_usr_preferences SET value = 'en' WHERE value = 'ru' AND attribute_id = @pref_id;
+UPDATE voip_dom_preferences SET value = 'en' WHERE value = 'ru' AND attribute_id = @pref_id;
+
+DELETE FROM voip_preferences_enum WHERE preference_id=@pref_id AND value in ('ru');
+
+commit;
\ No newline at end of file