diff --git a/cli/src/lib/conn.ts b/cli/src/lib/conn.ts
index 9b95b3c1c..b60b07cfc 100644
--- a/cli/src/lib/conn.ts
+++ b/cli/src/lib/conn.ts
@@ -8,7 +8,7 @@ import * as Debug from 'debug'
 const conn = (options: ConnectOptions) => {
   const { debug, saveOptions, loadOptions } = options
 
-  loadOptions && (options = handleLoadOptions('conn', loadOptions))
+  loadOptions && (options = handleLoadOptions('conn', loadOptions, options))
 
   saveOptions && handleSaveOptions('conn', options)
 
@@ -57,7 +57,7 @@ const conn = (options: ConnectOptions) => {
 const benchConn = async (options: BenchConnectOptions) => {
   const { saveOptions, loadOptions } = options
 
-  loadOptions && (options = handleLoadOptions('benchConn', loadOptions))
+  loadOptions && (options = handleLoadOptions('benchConn', loadOptions, options))
 
   saveOptions && handleSaveOptions('benchConn', options)
 
diff --git a/cli/src/lib/pub.ts b/cli/src/lib/pub.ts
index 82334ab19..1511a18c3 100644
--- a/cli/src/lib/pub.ts
+++ b/cli/src/lib/pub.ts
@@ -211,7 +211,7 @@ const handleFileRead = (filePath: string) => {
 const pub = (options: PublishOptions) => {
   const { debug, saveOptions, loadOptions } = options
 
-  loadOptions && (options = handleLoadOptions('pub', loadOptions))
+  loadOptions && (options = handleLoadOptions('pub', loadOptions, options))
 
   saveOptions && handleSaveOptions('pub', options)
 
@@ -252,14 +252,14 @@ const multiPub = async (commandType: CommandType, options: BenchPublishOptions |
 
   let simulator: Simulator = {} as Simulator
   if (commandType === 'simulate') {
-    options = loadOptions ? handleLoadOptions('simulate', loadOptions) : options
+    options = loadOptions ? handleLoadOptions('simulate', loadOptions, options as SimulatePubOptions) : options
     saveOptions && handleSaveOptions('simulate', options)
 
     const simulateOptions = options as SimulatePubOptions
     checkScenarioExists(simulateOptions.scenario, simulateOptions.file)
     simulator = loadSimulator(simulateOptions.scenario, simulateOptions.file)
   } else {
-    options = loadOptions ? handleLoadOptions('benchPub', loadOptions) : options
+    options = loadOptions ? handleLoadOptions('benchPub', loadOptions, options as BenchPublishOptions) : options
     saveOptions && handleSaveOptions('benchPub', options)
   }
 
diff --git a/cli/src/lib/sub.ts b/cli/src/lib/sub.ts
index f740888b3..ee968c731 100644
--- a/cli/src/lib/sub.ts
+++ b/cli/src/lib/sub.ts
@@ -79,7 +79,7 @@ const handleDefaultBinaryFile = (format: FormatType | undefined, filePath?: stri
 const sub = (options: SubscribeOptions) => {
   const { loadOptions, saveOptions } = options
 
-  loadOptions && (options = handleLoadOptions('sub', loadOptions))
+  loadOptions && (options = handleLoadOptions('sub', loadOptions, options))
 
   saveOptions && handleSaveOptions('sub', options)
 
@@ -232,7 +232,7 @@ const sub = (options: SubscribeOptions) => {
 const benchSub = async (options: BenchSubscribeOptions) => {
   const { saveOptions, loadOptions } = options
 
-  loadOptions && (options = handleLoadOptions('benchSub', loadOptions))
+  loadOptions && (options = handleLoadOptions('benchSub', loadOptions, options))
 
   saveOptions && handleSaveOptions('benchSub', options)
 
diff --git a/cli/src/types/global.d.ts b/cli/src/types/global.d.ts
index 7afb5db73..c657163cc 100644
--- a/cli/src/types/global.d.ts
+++ b/cli/src/types/global.d.ts
@@ -1,6 +1,15 @@
 declare global {
   type CommandType = 'conn' | 'pub' | 'sub' | 'benchConn' | 'benchPub' | 'benchSub' | 'simulate'
 
+  type OptionsType =
+    | ConnectOptions
+    | PublishOptions
+    | SubscribeOptions
+    | BenchConnectOptions
+    | BenchPublishOptions
+    | BenchSubscribeOptions
+    | SimulatePubOptions
+
   type MQTTVersion = 3 | 4 | 5
 
   type Protocol = 'mqtt' | 'mqtts' | 'ws' | 'wss'
diff --git a/cli/src/utils/options.ts b/cli/src/utils/options.ts
index 43b3c446c..3f0356fb7 100644
--- a/cli/src/utils/options.ts
+++ b/cli/src/utils/options.ts
@@ -80,21 +80,37 @@ const handleSaveOptions = (
  * @param savePath - The path to the configuration file.
  * @returns The options for the specified command type.
  */
-function handleLoadOptions(commandType: 'conn', savePath: boolean | string): ConnectOptions
-function handleLoadOptions(commandType: 'pub', savePath: boolean | string): PublishOptions
-function handleLoadOptions(commandType: 'sub', savePath: boolean | string): SubscribeOptions
-function handleLoadOptions(commandType: 'benchConn', savePath: boolean | string): BenchConnectOptions
-function handleLoadOptions(commandType: 'benchPub', savePath: boolean | string): BenchPublishOptions
-function handleLoadOptions(commandType: 'benchSub', savePath: boolean | string): BenchSubscribeOptions
-function handleLoadOptions(commandType: 'simulate', savePath: boolean | string): SimulatePubOptions
-function handleLoadOptions(commandType: CommandType, savePath: boolean | string) {
+function handleLoadOptions(commandType: 'conn', savePath: boolean | string, opts: ConnectOptions): ConnectOptions
+function handleLoadOptions(commandType: 'pub', savePath: boolean | string, opts: PublishOptions): PublishOptions
+function handleLoadOptions(commandType: 'sub', savePath: boolean | string, opts: SubscribeOptions): SubscribeOptions
+function handleLoadOptions(
+  commandType: 'benchConn',
+  savePath: boolean | string,
+  opts: BenchConnectOptions,
+): BenchConnectOptions
+function handleLoadOptions(
+  commandType: 'benchPub',
+  savePath: boolean | string,
+  opts: BenchPublishOptions,
+): BenchPublishOptions
+function handleLoadOptions(
+  commandType: 'benchSub',
+  savePath: boolean | string,
+  opts: BenchSubscribeOptions,
+): BenchSubscribeOptions
+function handleLoadOptions(
+  commandType: 'simulate',
+  savePath: boolean | string,
+  opts: SimulatePubOptions,
+): SimulatePubOptions
+function handleLoadOptions(commandType: CommandType, savePath: boolean | string, opts: OptionsType) {
   try {
     const filePath = processPath(savePath, defaultPath)
     if (fileExists(filePath)) {
       const data = readFile(filePath).toString()
       const config = parseYamlOrJson(data, isYaml(filePath))
       validateOptions(commandType, filePath, config)
-      return config[commandType]
+      return { ...config[commandType], ...opts }
     } else {
       logWrapper.fail(`Configuration file ${filePath} not found`)
       process.exit(1)