diff --git a/CHANGELOG.md b/CHANGELOG.md
index ae706aa5..a47969a3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## [UNRELEASED] · YYYY-MM-DD
 ### 🔧 Fixed
 - Show an overwrite confirmation dialog when an export target file already exists instead of raising an error ([#660](https://github.com/cbrnr/mnelab/pull/660) by [Clemens Brunner](https://github.com/cbrnr))
+- Fix a regression where the hamburger menu would not be shown after clicking "OK" in the Settings dialog ([#662](https://github.com/cbrnr/mnelab/pull/662) by [Clemens Brunner](https://github.com/cbrnr))
 
 ## [1.5.2] · 2026-05-28
 ### ✨ Added
diff --git a/src/mnelab/mainwindow.py b/src/mnelab/mainwindow.py
index 6b2407a8..1ccf6450 100644
--- a/src/mnelab/mainwindow.py
+++ b/src/mnelab/mainwindow.py
@@ -1925,6 +1925,9 @@ def _apply_toolbar(self, action_keys):
                 self._hamburger_spacer_widget
             )
             self._hamburger_action = self.toolbar.addWidget(self._hamburger_button)
+            hamburger_enabled = not read_settings("show_menubar")
+            self._hamburger_spacer_action.setVisible(hamburger_enabled)
+            self._hamburger_action.setVisible(hamburger_enabled)
 
     @Slot()
     def _show_toolbar_context_menu(self, pos):