diff --git a/src/vs/workbench/browser/parts/editor/breadcrumbsControl.ts b/src/vs/workbench/browser/parts/editor/breadcrumbsControl.ts
index 0511af5b128c8..a7842ff169180 100644
--- a/src/vs/workbench/browser/parts/editor/breadcrumbsControl.ts
+++ b/src/vs/workbench/browser/parts/editor/breadcrumbsControl.ts
@@ -140,7 +140,6 @@ export class BreadcrumbsControl {
 
 	readonly domNode: HTMLDivElement;
 	private readonly _widget: BreadcrumbsWidget;
-	private _dimension: dom.Dimension;
 
 	private _disposables = new Array<IDisposable>();
 	private _breadcrumbsDisposables = new Array<IDisposable>();
@@ -191,7 +190,6 @@ export class BreadcrumbsControl {
 	}
 
 	layout(dim: dom.Dimension): void {
-		this._dimension = dim;
 		this._widget.layout(dim);
 	}
 
@@ -296,7 +294,7 @@ export class BreadcrumbsControl {
 			getAnchor: () => {
 
 				let pickerHeight = 330;
-				let pickerWidth = Math.max(this._dimension.width / 2.59, dom.getTotalWidth(event.node));
+				let pickerWidth = Math.max(window.innerWidth / 4.17, dom.getTotalWidth(event.node));
 				let pickerArrowSize = 8;
 				let pickerArrowOffset: number;