diff --git a/src/vs/workbench/contrib/codeEditor/browser/find/simpleFindWidget.ts b/src/vs/workbench/contrib/codeEditor/browser/find/simpleFindWidget.ts
index 1270b1422286ba067b5e274e3c999ac3278bf6b0..8ba218619a29df1ecfa7d9ffb592181efd9d70ea 100644
--- a/src/vs/workbench/contrib/codeEditor/browser/find/simpleFindWidget.ts
+++ b/src/vs/workbench/contrib/codeEditor/browser/find/simpleFindWidget.ts
@@ -29,13 +29,14 @@ export abstract class SimpleFindWidget extends Widget {
 	private readonly _findInput: FindInput;
 	private readonly _domNode: HTMLElement;
 	private readonly _innerDomNode: HTMLElement;
-	private _isVisible: boolean = false;
 	private readonly _focusTracker: dom.IFocusTracker;
 	private readonly _findInputFocusTracker: dom.IFocusTracker;
 	private readonly _updateHistoryDelayer: Delayer<void>;
-	private prevBtn: SimpleButton;
-	private nextBtn: SimpleButton;
-	private foundMatch: boolean;
+	private readonly prevBtn: SimpleButton;
+	private readonly nextBtn: SimpleButton;
+
+	private _isVisible: boolean = false;
+	private foundMatch: boolean = false;
 
 	constructor(
 		@IContextViewService private readonly _contextViewService: IContextViewService,
diff --git a/src/vs/workbench/contrib/webview/browser/webviewElement.ts b/src/vs/workbench/contrib/webview/browser/webviewElement.ts
index aa4473313d4f914e8e06bc5d5a724f329d26fee2..6eb2d99a7b0c35a4c85cdb3465acc66e357a23f5 100644
--- a/src/vs/workbench/contrib/webview/browser/webviewElement.ts
+++ b/src/vs/workbench/contrib/webview/browser/webviewElement.ts
@@ -213,7 +213,7 @@ export class IFrameWebview extends Disposable implements Webview {
 		}
 	}
 
-	initialScrollProgress: number;
+	initialScrollProgress: number = 0;
 
 	private readonly _onDidFocus = this._register(new Emitter<void>());
 	public readonly onDidFocus = this._onDidFocus.event;