diff --git a/src/lib/QtWidgets/QBoxLayout.ts b/src/lib/QtWidgets/QBoxLayout.ts
index 980d05fe3..8c9e6787d 100644
--- a/src/lib/QtWidgets/QBoxLayout.ts
+++ b/src/lib/QtWidgets/QBoxLayout.ts
@@ -6,7 +6,7 @@ import { Direction } from '../QtEnums';
 
 export class QBoxLayout extends NodeLayout {
     native: NativeElement;
-    layout: NodeLayout | null;
+    childLayouts: Set<NodeLayout>;
     constructor(dir: Direction, parent?: NodeWidget) {
         let native: NativeElement;
         if (parent) {
@@ -17,11 +17,11 @@ export class QBoxLayout extends NodeLayout {
         super(native);
         this.nodeParent = parent;
         this.native = native;
-        this.layout = null;
+        this.childLayouts = new Set();
     }
     addLayout(layout: NodeLayout, stretch = 0): void {
         this.native.addLayout(layout.native, stretch);
-        this.layout = layout;
+        this.childLayouts.add(layout);
     }
     addSpacing(size: number): void {
         this.native.addSpacing(size);
@@ -41,7 +41,7 @@ export class QBoxLayout extends NodeLayout {
     }
     insertLayout(index: number, layout: NodeLayout, stretch = 0): void {
         this.native.insertLayout(index, layout.native, stretch);
-        this.layout = layout;
+        this.childLayouts.add(layout);
     }
     removeWidget(widget: NodeWidget): void {
         this.native.removeWidget(widget.native);