diff --git a/src/vs/workbench/parts/webview/electron-browser/webviewEditorInputFactory.ts b/src/vs/workbench/parts/webview/electron-browser/webviewEditorInputFactory.ts
index 094c71d62a290e784f3b571dfe59498f3486cc43..8038b5ba4cfe82d2f66772f66616c360c958e579 100644
--- a/src/vs/workbench/parts/webview/electron-browser/webviewEditorInputFactory.ts
+++ b/src/vs/workbench/parts/webview/electron-browser/webviewEditorInputFactory.ts
@@ -33,7 +33,7 @@ export class WebviewEditorInputFactory implements IEditorInputFactory {
 		input: WebviewEditorInput
 	): string {
 		// Has no state, don't revive
-		if (!input.state) {
+		if (!input.state || !input.webviewState) {
 			return null;
 		}