diff --git a/qt/aqt/editor.py b/qt/aqt/editor.py
index a12c70d68..53be64bcb 100644
--- a/qt/aqt/editor.py
+++ b/qt/aqt/editor.py
@@ -1331,6 +1331,10 @@ class EditorWebView(AnkiWebView):
     def flagAnkiText(self) -> None:
         # be ready to adjust when clipboard event fires
         self._markInternal = True
+        # workaround broken QClipboard.dataChanged() on recent Qt6 versions
+        # https://github.com/ankitects/anki/issues/1793
+        if is_win and qtmajor == 6:
+            self.editor.mw.progress.single_shot(300, self._flagAnkiText, True)
 
     def _flagAnkiText(self) -> None:
         # add a comment in the clipboard html so we can tell text is copied