diff --git a/projects/kiss-vscode/src/ktxt2/KTxt2EditorProvider.kiss b/projects/kiss-vscode/src/ktxt2/KTxt2EditorProvider.kiss
index 6d2e53f0..a510f348 100644
--- a/projects/kiss-vscode/src/ktxt2/KTxt2EditorProvider.kiss
+++ b/projects/kiss-vscode/src/ktxt2/KTxt2EditorProvider.kiss
@@ -69,6 +69,11 @@
 					(otherwise
 						(errorMessage "bad message $e from KTxt2Editor"))))
 
+		(webviewPanel.onDidChangeViewState
+			->e {
+				(unless e.webviewPanel.visible (exportSourceAndOutputFiles document))
+			})						
+
 		(updateWebview))
 	null)