diff --git a/src/vs/workbench/browser/parts/quickinput/quickInput.ts b/src/vs/workbench/browser/parts/quickinput/quickInput.ts
index 5e801b9387085eddc11d942ea0054b38fe4ce49f..d7c8a08d479b41d345ad5cdcf6330cd12f33edb1 100644
--- a/src/vs/workbench/browser/parts/quickinput/quickInput.ts
+++ b/src/vs/workbench/browser/parts/quickinput/quickInput.ts
@@ -488,7 +488,7 @@ export class QuickInputService extends Component implements IQuickInputService {
 
 	protected updateStyles() {
 		const theme = this.themeService.getTheme();
-		if (this.ui.inputBox) {
+		if (this.ui) {
 			this.ui.inputBox.style(theme);
 		}
 		if (this.container) {