diff --git a/source/menu.ts b/source/menu.ts
index 9ad4fb569..03f6f3c5d 100644
--- a/source/menu.ts
+++ b/source/menu.ts
@@ -233,6 +233,7 @@ Press Command/Ctrl+R in Caprine to see your changes.
 		},
 		{
 			label: 'Always on Top',
+			id: 'always-on-top',
 			type: 'checkbox',
 			accelerator: 'CommandOrControl+Shift+T',
 			checked: config.get('alwaysOnTop'),
diff --git a/source/tray.ts b/source/tray.ts
index 51284ff0c..f659576a0 100644
--- a/source/tray.ts
+++ b/source/tray.ts
@@ -20,6 +20,11 @@ export default {
 				win.hide();
 			} else {
 				win.show();
+
+				// Workaround for https://github.com/electron/electron/issues/20858
+				// `setAlwaysOnTop` stops working after hiding the window on KDE Plasma.
+				const alwaysOnTopMenuItem = Menu.getApplicationMenu()!.getMenuItemById('always-on-top');
+				win.setAlwaysOnTop(alwaysOnTopMenuItem.checked);
 			}
 		}