diff --git a/src/Server/BaseServer.ts b/src/Server/BaseServer.ts
index 22dd7d0e5..7cdbc6250 100644
--- a/src/Server/BaseServer.ts
+++ b/src/Server/BaseServer.ts
@@ -93,6 +93,9 @@ export abstract class BaseServer {
   // Flag indicating whether this is a purchased server
   purchasedByPlayer = false;
 
+  // Variables that exist only on some types of servers can just be optional.
+  backdoorInstalled?: boolean;
+
   constructor(params: IConstructorParams = { hostname: "", ip: createRandomIp() }) {
     this.ip = params.ip ? params.ip : createRandomIp();
 
diff --git a/src/Terminal/commands/connect.ts b/src/Terminal/commands/connect.ts
index a5583010f..791d9a3aa 100644
--- a/src/Terminal/commands/connect.ts
+++ b/src/Terminal/commands/connect.ts
@@ -2,7 +2,6 @@ import { Terminal } from "../../Terminal";
 import { BaseServer } from "../../Server/BaseServer";
 import { getServerOnNetwork } from "../../Server/ServerHelpers";
 import { GetServer } from "../../Server/AllServers";
-import { Server } from "../../Server/Server";
 
 export function connect(args: (string | number | boolean)[], server: BaseServer): void {
   // Disconnect from current server in Terminal and connect to new one
@@ -24,7 +23,7 @@ export function connect(args: (string | number | boolean)[], server: BaseServer)
 
   const other = GetServer(hostname);
   if (other !== null) {
-    if (other instanceof Server && other.backdoorInstalled) {
+    if (other.backdoorInstalled || other.purchasedByPlayer) {
       Terminal.connectToServer(hostname);
       return;
     }