diff --git a/types/matter-js/index.d.ts b/types/matter-js/index.d.ts
index 8f19b9c443..7ba7aac8a5 100644
--- a/types/matter-js/index.d.ts
+++ b/types/matter-js/index.d.ts
@@ -3170,6 +3170,9 @@ declare namespace Matter {
         pairs: Array<IPair>;
     }
 
+    export interface IMouseEvent<T> extends IEvent<T> {
+        name: 'mousedown' | 'mousemove' | 'mouseup';
+    }
 
     export class Events {
 
@@ -3381,7 +3384,7 @@ declare namespace Matter {
          * @param name
          * @param callback
          */
-        static on(obj: MouseConstraint, name: "mousedown", callback: (e: any) => void): void;
+        static on(obj: MouseConstraint, name: "mousedown", callback: (e: IMouseEvent<MouseConstraint>) => void): void;
 
         /**
          * Fired when the mouse has moved (or a touch moves) during the last step
@@ -3389,7 +3392,7 @@ declare namespace Matter {
          * @param name
          * @param callback
          */
-        static on(obj: MouseConstraint, name: "mousemove", callback: (e: any) => void): void;
+        static on(obj: MouseConstraint, name: "mousemove", callback: (e: IMouseEvent<MouseConstraint>) => void): void;
 
         /**
          * Fired when the mouse is up (or a touch has ended) during the last step
@@ -3397,7 +3400,7 @@ declare namespace Matter {
          * @param name
          * @param callback
          */
-        static on(obj: MouseConstraint, name: "mouseup", callback: (e: any) => void): void;
+        static on(obj: MouseConstraint, name: "mouseup", callback: (e: IMouseEvent<MouseConstraint>) => void): void;
 
 
         static on(obj: any, name: string, callback: (e: any) => void): void;
diff --git a/types/matter-js/matter-js-tests.ts b/types/matter-js/matter-js-tests.ts
index 3f34821c12..c448ac5771 100644
--- a/types/matter-js/matter-js-tests.ts
+++ b/types/matter-js/matter-js-tests.ts
@@ -7,8 +7,10 @@ var Engine = Matter.Engine,
 	Constraint = Matter.Constraint,
 	Events = Matter.Events,
 	Query = Matter.Query,
-    Plugin = Matter.Plugin,
-    Render = Matter.Render;
+	Plugin = Matter.Plugin,
+	Render = Matter.Render,
+	Mouse = Matter.Mouse,
+	MouseConstraint = Matter.MouseConstraint;
 
 
 Matter.use('matter-attractors');
@@ -110,3 +112,10 @@ const runner1 = Matter.Runner.create({
 });
 const runner2 = Matter.Runner.create({});
 const runner3 = Matter.Runner.create();
+
+// Mouse
+
+const mouse = Mouse.create(render.canvas);
+const mouseConstraint = MouseConstraint.create(engine, { mouse });
+
+Events.on(mouseConstraint, 'mousemove', (e: Matter.IMouseEvent<Matter.MouseConstraint>) => {})