diff --git a/packages/json/lib/commands/MSET.spec.ts b/packages/json/lib/commands/MSET.spec.ts
index caa31b0fd2..3a8e7071e3 100644
--- a/packages/json/lib/commands/MSET.spec.ts
+++ b/packages/json/lib/commands/MSET.spec.ts
@@ -4,11 +4,11 @@ import { transformArguments } from './MSET';
 
 describe('MSET', () => {
     testUtils.isVersionGreaterThanHook([2, 6]);
-    
+
     describe('transformArguments', () => {
         it('transformArguments', () => {
             assert.deepEqual(
-                transformArguments([{ key: "key", path: "$", value: "json" }, { key: "key2", path: "$", value: "json2" }]),
+                transformArguments([{ key: 'key', path: '$', value: 'json' }, { key: 'key2', path: '$', value: 'json2' }]),
                 ['JSON.MSET', 'key', '$', '"json"', 'key2', '$', '"json2"']
             );
         });
@@ -21,4 +21,4 @@ describe('MSET', () => {
             'OK'
         );
     }, GLOBAL.SERVERS.OPEN);
-});
\ No newline at end of file
+});
diff --git a/packages/json/lib/commands/MSET.ts b/packages/json/lib/commands/MSET.ts
index 72443a6505..8c65eddb57 100644
--- a/packages/json/lib/commands/MSET.ts
+++ b/packages/json/lib/commands/MSET.ts
@@ -1,19 +1,16 @@
-import { RedisJSON, transformRedisJsonArgument } from '.';
+import { RedisJSON, transformRedisJsonArgument} from '.';
+import { RedisCommandArgument, RedisCommandArguments } from '@redis/client/dist/lib/commands';
 
 export const FIRST_KEY_INDEX = 1;
 
 export interface KeyPathValue {
-    key: string;
+    key: RedisCommandArgument;
     path: string;
     value: RedisJSON;
 }
 
-export function transformArguments(keyPathValues: Array<KeyPathValue>): Array<string> {
-    if (keyPathValues.length === 0) {
-        throw new Error('ERR wrong number of arguments for \'MSET\' command');
-    }
-
-    const args: string[] = ['JSON.MSET'];
+export function transformArguments(keyPathValues: Array<KeyPathValue>): RedisCommandArguments {
+    const args: RedisCommandArguments = ['JSON.MSET'];
 
     keyPathValues.forEach(({ key, path, value }) => {
         args.push(key, path, transformRedisJsonArgument(value));
@@ -22,4 +19,4 @@ export function transformArguments(keyPathValues: Array<KeyPathValue>): Array<st
     return args;
 }
 
-export declare function transformReply(): 'OK' | null;
\ No newline at end of file
+export declare function transformReply(): 'OK';