diff --git a/src/gui/gcal-window.ui b/src/gui/gcal-window.ui
index 9c907e06..234b232e 100644
--- a/src/gui/gcal-window.ui
+++ b/src/gui/gcal-window.ui
@@ -92,6 +92,12 @@
             <property name="action">action(app.quit)</property>
           </object>
         </child>
+        <child>
+          <object class="GtkShortcut">
+            <property name="trigger">&lt;Ctrl&gt;&lt;Alt&gt;m</property>
+            <property name="action">action(win.show-calendars)</property>
+          </object>
+        </child>
       </object>
     </child>
 
diff --git a/src/gui/gtk/help-overlay.ui b/src/gui/gtk/help-overlay.ui
index 8508d55a..4872cbb5 100644
--- a/src/gui/gtk/help-overlay.ui
+++ b/src/gui/gtk/help-overlay.ui
@@ -15,6 +15,12 @@
                 <property name="accelerator">&lt;Primary&gt;N</property>
               </object>
             </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="title" translatable="yes" context="shortcut window">Manage calendars</property>
+                <property name="accelerator">&lt;Ctrl&gt;&lt;Alt&gt;m</property>
+              </object>
+            </child>
             <child>
               <object class="GtkShortcutsShortcut">
                 <property name="title" translatable="yes" context="shortcut window">Close window</property>