diff --git a/src/modules/dock/entry.cpp b/src/modules/dock/entry.cpp
index d5eaa71..b569a2a 100644
--- a/src/modules/dock/entry.cpp
+++ b/src/modules/dock/entry.cpp
@@ -455,6 +455,7 @@ bool Entry::detachWindow(WindowInfoBase *info)
             return true;
         }
 
+        Q_EMIT windowInfosChanged(WindowInfoMap());
         setCurrentWindowInfo(nullptr);
     } else {
         for (auto window : windowInfoMap) {