diff --git a/src/service.ts b/src/service.ts
index b6134a20..6b537c6c 100644
--- a/src/service.ts
+++ b/src/service.ts
@@ -161,7 +161,9 @@ export default class VSCodeWorkerService implements Services.ServiceInstance {
         const args = Object.entries({ ...customArgs, ...this._vscodeOptions.vscodeArgs }).reduce(
             (prev, [key, value]) => [
                 ...prev,
-                `--${decamelize(key, { separator: '-' })}${getValueSuffix(value)}`
+                Array.isArray(value) ? value.reduce((all: string, val) => {
+                    return all + `--${decamelize(key, { separator: '-' })}${getValueSuffix(val)} `;
+                }, "").trim() : `--${decamelize(key, { separator: '-' })}${getValueSuffix(value)}`
             ],
             [] as string[]
         )
diff --git a/src/types.ts b/src/types.ts
index 673f01c1..77a3ed62 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -52,7 +52,7 @@ export interface ServerOptions {
     port: number
 }
 
-export type ArgsParams = Record<string, string | boolean>
+export type ArgsParams = Record<string, string | string[] | boolean>
 
 /**
  * wdio-vscode-service options