diff --git a/dist/bitburner.d.ts b/dist/bitburner.d.ts
index bc1328bb4..9855c3e34 100644
--- a/dist/bitburner.d.ts
+++ b/dist/bitburner.d.ts
@@ -3848,7 +3848,7 @@ export declare interface NS extends Singularity {
      * @param host - Host of target server.
      * @returns Returns the amount of time in milliseconds it takes to execute the weaken Netscript function. Returns Infinity if called on a Hacknet Server.
      */
-    getWeakenTime(host: string): number;
+    getWeakenTime(host?: string): number;
 
     /**
      * Get the income of a script.
diff --git a/src/NetscriptFunctions.ts b/src/NetscriptFunctions.ts
index bc301b81e..054f01192 100644
--- a/src/NetscriptFunctions.ts
+++ b/src/NetscriptFunctions.ts
@@ -2012,7 +2012,7 @@ export function NetscriptFunctions(workerScript: WorkerScript): NS {
 
       return calculateGrowTime(server, Player) * 1000;
     },
-    getWeakenTime: function (hostname: any): any {
+    getWeakenTime: function (hostname: any = workerScript.hostname): any {
       updateDynamicRam("getWeakenTime", getRamCost(Player, "getWeakenTime"));
       const server = safeGetServer(hostname, "getWeakenTime");
       if (!(server instanceof Server)) {