diff --git a/keyserver/src/database/migration-config.js b/keyserver/src/database/migration-config.js
--- a/keyserver/src/database/migration-config.js
+++ b/keyserver/src/database/migration-config.js
@@ -325,6 +325,16 @@
       await dbQuery(SQL`DROP TABLE versions;`);
     },
   ],
+  [
+    31,
+    async () => {
+      await dbQuery(SQL`
+        UPDATE messages 
+          SET target_message = JSON_VALUE(content, "$.sourceMessageID") 
+        WHERE type = 17;
+      `);
+    },
+  ],
 ]);
 const newDatabaseVersion: number = Math.max(...migrations.keys());