diff --git a/src/calibre/gui2/viewer/ui.py b/src/calibre/gui2/viewer/ui.py
index cc30c15be0..6bc8e8ccc2 100644
--- a/src/calibre/gui2/viewer/ui.py
+++ b/src/calibre/gui2/viewer/ui.py
@@ -362,6 +362,11 @@ class EbookViewer(MainWindow):
     def toc_clicked(self, index):
         item = self.toc_model.itemFromIndex(index)
         self.web_view.goto_toc_node(item.node_id)
+        self.force_focus_on_web_view()
+
+    def force_focus_on_web_view(self):
+        self.activateWindow()
+        self.web_view.setFocus(Qt.FocusReason.OtherFocusReason)
 
     def toc_searched(self, index):
         item = self.toc_model.itemFromIndex(index)