diff --git a/src/calibre/gui2/toc/location.py b/src/calibre/gui2/toc/location.py
index 183d7aa8a0..e61b32a9cd 100644
--- a/src/calibre/gui2/toc/location.py
+++ b/src/calibre/gui2/toc/location.py
@@ -209,7 +209,7 @@ class ItemEdit(QWidget):
 
     def find(self, forwards=True):
         text = str(self.search_text.text()).strip()
-        flags = QWebEnginePage.FindFlags(0) if forwards else QWebEnginePage.FindFlag.FindBackward
+        flags = QWebEnginePage.FindFlag(0) if forwards else QWebEnginePage.FindFlag.FindBackward
         self.find_data = text, flags, forwards
         self.view.findText(text, flags, self.find_callback)
 
diff --git a/src/calibre/gui2/tweak_book/preview.py b/src/calibre/gui2/tweak_book/preview.py
index 7964e53900..3ea9cb3cf4 100644
--- a/src/calibre/gui2/tweak_book/preview.py
+++ b/src/calibre/gui2/tweak_book/preview.py
@@ -594,7 +594,7 @@ class Preview(QWidget):
     def find(self, direction):
         text = str(self.search.text())
         self.view._page.findText(text, (
-            QWebEnginePage.FindFlag.FindBackward if direction == 'prev' else QWebEnginePage.FindFlags(0)))
+            QWebEnginePage.FindFlag.FindBackward if direction == 'prev' else QWebEnginePage.FindFlag(0)))
 
     def find_next(self):
         self.find('next')