diff --git a/Kit/module/popup.swift b/Kit/module/popup.swift
index cdbc5aa7..18c57e30 100644
--- a/Kit/module/popup.swift
+++ b/Kit/module/popup.swift
@@ -44,6 +44,7 @@ internal class PopupWindow: NSWindow, NSWindowDelegate {
         self.contentViewController = self.viewController
         self.titlebarAppearsTransparent = true
         self.animationBehavior = .default
+        self.collectionBehavior = .moveToActiveSpace
         self.backgroundColor = .clear
         self.hasShadow = true
         self.setIsVisible(false)