diff --git a/extensions/image-preview/src/preview.ts b/extensions/image-preview/src/preview.ts
index e383ad4e61310..f78061d008e17 100644
--- a/extensions/image-preview/src/preview.ts
+++ b/extensions/image-preview/src/preview.ts
@@ -240,9 +240,9 @@ class Preview extends Disposable implements vscode.WebviewEditorEditingCapabilit
 			default:
 				// Avoid adding cache busting if there is already a query string
 				if (resource.query) {
-					return encodeURI(webviewEditor.webview.asWebviewUri(resource).toString());
+					return encodeURI(webviewEditor.webview.asWebviewUri(resource).toString(true));
 				}
-				return encodeURI(webviewEditor.webview.asWebviewUri(resource).toString() + `?version=${version}`);
+				return encodeURI(webviewEditor.webview.asWebviewUri(resource).toString(true) + `?version=${version}`);
 		}
 	}