diff --git a/src/index.d.ts b/src/index.d.ts
index 643bfc9..ce79bf1 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -29,13 +29,14 @@ export interface IQueryConfig {
 }
 
 export declare class System {
-  constructor(world: World, ...initArgs: any[]);
+  get sysName(): string;
+  constructor(world: World, ...initArgs: unknown[]);
   world: World;
   changes: IComponentChange[];
   queries: Query[];
   lastTick: number;
   static subscriptions: string[];
-  init(...initArgs: any[]): void;
+  init(...initArgs: unknown[]): void;
   update(tick: number): void;
   createQuery(init?: IQueryConfig): Query;
   subscribe(type: string | ComponentClass): void;
diff --git a/src/system.js b/src/system.js
index 8c5093b..a262f86 100644
--- a/src/system.js
+++ b/src/system.js
@@ -1,6 +1,11 @@
 const Query = require('./query');
 
 class System {
+
+  get sysName() {
+    return this.constructor.name;
+  }
+
   constructor(world, ...initArgs) {
     this.world = world;
     this._stagedChanges = [];