diff --git a/dist/bitburner.d.ts b/dist/bitburner.d.ts
index 56fc6734c..24335cadd 100644
--- a/dist/bitburner.d.ts
+++ b/dist/bitburner.d.ts
@@ -3915,7 +3915,7 @@ export declare interface NS extends Singularity {
      * @param data - Data to write.
      * @returns True if the data is successfully written to the port, and false otherwise.
      */
-    tryWritePort(port: number, data: string[] | number): Promise<boolean>;
+    tryWritePort(port: number, data: string | number): Promise<boolean>;
 
     /**
      * Read content of a file.
diff --git a/src/NetscriptFunctions.ts b/src/NetscriptFunctions.ts
index 2a6efef8e..45549b987 100644
--- a/src/NetscriptFunctions.ts
+++ b/src/NetscriptFunctions.ts
@@ -174,7 +174,7 @@ export function NetscriptFunctions(workerScript: WorkerScript): NS {
       throw makeRuntimeRejectMsg(
         workerScript,
         `Invalid scriptArgs argument passed into getRunningScript() from ${callingFnName}(). ` +
-          `This is probably a bug. Please report to game developer`,
+        `This is probably a bug. Please report to game developer`,
       );
     }
 
@@ -692,8 +692,7 @@ export function NetscriptFunctions(workerScript: WorkerScript): NS {
         workerScript.log(
           "weaken",
           () =>
-            `'${server.hostname}' security level weakened to ${
-              server.hackDifficulty
+            `'${server.hostname}' security level weakened to ${server.hackDifficulty
             }. Gained ${numeralWrapper.formatExp(expGain)} hacking exp (t=${numeralWrapper.formatThreads(threads)})`,
         );
         workerScript.scriptRef.onlineExpGained += expGain;
@@ -1650,12 +1649,12 @@ export function NetscriptFunctions(workerScript: WorkerScript): NS {
 
       const cost = getPurchaseServerCost(ram);
       if (cost === Infinity) {
-        if(ram > getPurchaseServerMaxRam()){
+        if (ram > getPurchaseServerMaxRam()) {
           workerScript.log("purchaseServer", () => `Invalid argument: ram='${ram}' must not be greater than getPurchaseServerMaxRam`);
-        }else{
+        } else {
           workerScript.log("purchaseServer", () => `Invalid argument: ram='${ram}' must be a positive power of 2`);
         }
-        
+
         return "";
       }
 
@@ -1837,6 +1836,12 @@ export function NetscriptFunctions(workerScript: WorkerScript): NS {
     },
     tryWritePort: function (port: any, data: any = ""): any {
       updateDynamicRam("tryWritePort", getRamCost(Player, "tryWritePort"));
+      if (typeof data !== "string" && typeof data !== "number") {
+        throw makeRuntimeErrorMsg(
+          "tryWritePort",
+          `Trying to write invalid data to a port: only strings and numbers are valid.`,
+        );
+      }
       if (!isNaN(port)) {
         port = Math.round(port);
         if (port < 1 || port > CONSTANTS.NumNetscriptPorts) {
diff --git a/src/ScriptEditor/NetscriptDefinitions.d.ts b/src/ScriptEditor/NetscriptDefinitions.d.ts
index c2e582f53..c5669f5ad 100644
--- a/src/ScriptEditor/NetscriptDefinitions.d.ts
+++ b/src/ScriptEditor/NetscriptDefinitions.d.ts
@@ -5652,7 +5652,7 @@ export interface NS extends Singularity {
    * @param data - Data to write.
    * @returns True if the data is successfully written to the port, and false otherwise.
    */
-  tryWritePort(port: number, data: string[] | number): Promise<boolean>;
+  tryWritePort(port: number, data: string | number): Promise<boolean>;
 
   /**
    * Read content of a file.