diff --git a/src/calibre/gui2/tweak_book/preview.py b/src/calibre/gui2/tweak_book/preview.py
index 18ad9e199f..f0f207e5e1 100644
--- a/src/calibre/gui2/tweak_book/preview.py
+++ b/src/calibre/gui2/tweak_book/preview.py
@@ -146,6 +146,7 @@ class WebView(QWebView):
 
         self.setHtml('<p>')
         self.page().setNetworkAccessManager(NetworkAccessManager(self))
+        self.page().setLinkDelegationPolicy(self.page().DelegateAllLinks)
 
     def sizeHint(self):
         return self._size_hint