diff --git a/server/src/scripts/add-source-message-column.js b/server/src/scripts/add-source-message-column.js
new file mode 100644
index 000000000..cc9c4d594
--- /dev/null
+++ b/server/src/scripts/add-source-message-column.js
@@ -0,0 +1,13 @@
+// @flow
+
+import { dbQuery, SQL } from '../database/database';
+import { main } from './utils';
+
+async function deleteUnreadColumn() {
+  await dbQuery(SQL`
+    ALTER TABLE threads
+    ADD source_message BIGINT(20) NULL DEFAULT NULL AFTER color
+  `);
+}
+
+main([deleteUnreadColumn]);