diff --git a/src/api/models/user.ts b/src/api/models/user.ts
index 042f13b23..7c4b993e9 100644
--- a/src/api/models/user.ts
+++ b/src/api/models/user.ts
@@ -58,6 +58,7 @@ export type IUser = {
 	pinned_post_id: mongo.ObjectID;
 	is_suspended: boolean;
 	keywords: string[];
+	host: string;
 	account: {
 		keypair: string;
 		email: string;
diff --git a/src/api/private/signup.ts b/src/api/private/signup.ts
index 690f3001c..a4c06b5f5 100644
--- a/src/api/private/signup.ts
+++ b/src/api/private/signup.ts
@@ -119,6 +119,7 @@ export default async (req: express.Request, res: express.Response) => {
 		drive_capacity: 1073741824, // 1GB
 		username: username,
 		username_lower: username.toLowerCase(),
+		host: null,
 		account: {
 			keypair: generateKeypair(),
 			token: secret,
diff --git a/tools/migration/shell.1522116709.user-host.js b/tools/migration/shell.1522116709.user-host.js
new file mode 100644
index 000000000..b354709a6
--- /dev/null
+++ b/tools/migration/shell.1522116709.user-host.js
@@ -0,0 +1 @@
+db.users.update({ }, { $set: { host: null } }, { multi: true });