diff --git a/migrations/2021-04-16-130927_language-tags/down.sql b/migrations/2021-04-16-130927_language-tags/down.sql
new file mode 100644
index 000000000..a5f9ba2cf
--- /dev/null
+++ b/migrations/2021-04-16-130927_language-tags/down.sql
@@ -0,0 +1,6 @@
+ALTER TABLE comment DROP COLUMN language;
+ALTER TABLE post DROP COLUMN language;
+ALTER TABLE private_message DROP COLUMN language;
+
+ALTER TABLE local_user DROP COLUMN discussion_languages;
+ALTER TABLE local_user RENAME COLUMN interface_language TO lang;
diff --git a/migrations/2021-04-16-130927_language-tags/up.sql b/migrations/2021-04-16-130927_language-tags/up.sql
new file mode 100644
index 000000000..312b9e203
--- /dev/null
+++ b/migrations/2021-04-16-130927_language-tags/up.sql
@@ -0,0 +1,6 @@
+ALTER TABLE comment ADD COLUMN language TEXT NOT NULL;
+ALTER TABLE post ADD COLUMN language TEXT NOT NULL;
+ALTER TABLE private_message ADD COLUMN language TEXT NOT NULL;
+
+ALTER TABLE local_user ADD COLUMN discussion_languages TEXT[] NOT NULL;
+ALTER TABLE local_user RENAME COLUMN lang TO interface_language;