diff --git a/src/vs/workbench/electron-sandbox/window.ts b/src/vs/workbench/electron-sandbox/window.ts
index cfb720593d5..5c7cb75b085 100644
--- a/src/vs/workbench/electron-sandbox/window.ts
+++ b/src/vs/workbench/electron-sandbox/window.ts
@@ -332,7 +332,7 @@ export class NativeWindow extends BaseWindow {
 
 		// Window Zoom
 		this._register(this.configurationService.onDidChangeConfiguration(e => {
-			if (e.affectsConfiguration('window.zoomLevel')) {
+			if (e.affectsConfiguration('window.zoomLevel') || (e.affectsConfiguration('window.zoomPerWindow') && this.configurationService.getValue('window.zoomPerWindow') === false)) {
 				this.onDidChangeConfiguredWindowZoomLevel();
 			} else if (e.affectsConfiguration('keyboard.touchbar.enabled') || e.affectsConfiguration('keyboard.touchbar.ignored')) {
 				this.updateTouchbarMenu();