diff --git a/src/modules/dock/windowinfok.cpp b/src/modules/dock/windowinfok.cpp
index 165eb1b..9a8254b 100644
--- a/src/modules/dock/windowinfok.cpp
+++ b/src/modules/dock/windowinfok.cpp
@@ -32,7 +32,6 @@ WindowInfoK::WindowInfoK(PlasmaWindow *window, XWindow _xid)
  , m_internalId(0)
  , m_demaningAttention(false)
  , m_closeable(true)
- , m_minimized(true)
  , m_plasmaWindow(window)
 {
     xid = _xid;
@@ -116,7 +115,7 @@ void WindowInfoK::minimize()
 
 bool WindowInfoK::isMinimized()
 {
-    return m_minimized;
+    return m_plasmaWindow->IsMinimized();
 }
 
 bool WindowInfoK::changeXid(XWindow _xid)
diff --git a/src/modules/dock/windowinfok.h b/src/modules/dock/windowinfok.h
index fbe1b45..fa65473 100644
--- a/src/modules/dock/windowinfok.h
+++ b/src/modules/dock/windowinfok.h
@@ -74,7 +74,6 @@ private:
     uint32_t m_internalId;
     bool m_demaningAttention;
     bool m_closeable;
-    bool m_minimized;
     PlasmaWindow *m_plasmaWindow;
     DockRect m_geometry;
 };