diff --git a/easeljs/easeljs-tests.ts b/easeljs/easeljs-tests.ts
index a01701a72..2e4b854c6 100644
--- a/easeljs/easeljs-tests.ts
+++ b/easeljs/easeljs-tests.ts
@@ -86,4 +86,18 @@ function matrixDecompose() {
     shape.skewX = transformData.skewX;
     shape.skewY = transformData.skewY;
     shape.rotation = transformData.rotation;
-}
\ No newline at end of file
+}
+
+function test_addChild()
+{
+    var container: createjs.Container;
+    var textChild: createjs.Text;
+    var displayObject: createjs.DisplayObject;
+
+    container.addChild(textChild).text = "abc";
+    container.addChild(displayObject, textChild).text = "abc";
+    container.addChild(displayObject, displayObject, textChild).text = "abc";
+    container.addChild(displayObject, displayObject, displayObject, displayObject, displayObject, textChild);
+    container.addChildAt(textChild, 0).text = "abc";
+    container.addChildAt(displayObject, textChild, 0).text = "abc";
+}
diff --git a/easeljs/easeljs.d.ts b/easeljs/easeljs.d.ts
index 224da41a0..a76e72b35 100644
--- a/easeljs/easeljs.d.ts
+++ b/easeljs/easeljs.d.ts
@@ -161,9 +161,16 @@ declare namespace createjs {
         tickChildren: boolean;
 
         // methods
-        addChild(...child: DisplayObject[]): DisplayObject;
-        addChildAt(child: DisplayObject, index: number): DisplayObject; // add this for the common case
-        addChildAt(...childOrIndex: any[]): DisplayObject; // actually (...child: DisplayObject[], index: number)
+        addChild<T extends DisplayObject>(child: T): T;
+        addChild<T extends DisplayObject>(child0: DisplayObject, lastChild: T): T;
+        addChild<T extends DisplayObject>(child0: DisplayObject, child1: DisplayObject, lastChild: T): T;
+        addChild<T extends DisplayObject>(child0: DisplayObject, child1: DisplayObject, child2: DisplayObject, lastChild: T): T;
+        addChild(...children: DisplayObject[]): DisplayObject;
+        addChildAt<T extends DisplayObject>(child: T, index: number): T;
+        addChildAt<T extends DisplayObject>(child0: DisplayObject, lastChild: T, index: number): T;
+        addChildAt<T extends DisplayObject>(child0: DisplayObject, child1: DisplayObject, lastChild: T, index: number): T;
+        addChildAt(...childOrIndex: (DisplayObject|number)[]): DisplayObject; // actually (...child: DisplayObject[], index: number)
+
         clone(recursive?: boolean): Container;
         contains(child: DisplayObject): boolean;
         getChildAt(index: number): DisplayObject;