diff --git a/types/mosca/index.d.ts b/types/mosca/index.d.ts
index f120249909..4020f7ad7f 100644
--- a/types/mosca/index.d.ts
+++ b/types/mosca/index.d.ts
@@ -7,7 +7,7 @@ export class Server {
     opts: any;
     modernOpts: any;
     dedupId: any;
-    clients: Client[];
+    clients: any;
     closed: boolean;
 
     constructor(opts: any, callback?: () => void);