diff --git a/knights/knights.h b/knights/knights.h
index c1ef35e..9eafbd5 100644
--- a/knights/knights.h
+++ b/knights/knights.h
@@ -23,7 +23,7 @@
 #endif
 
 /* KDEBase */
-#include <kapp.h>
+#include <tdeapplication.h>
 #include <tdemainwindow.h>
 #include <khelpmenu.h>
 #include <tdeaboutdata.h>
diff --git a/knights/resource.h b/knights/resource.h
index 5d7cb1f..77c35c9 100644
--- a/knights/resource.h
+++ b/knights/resource.h
@@ -24,7 +24,7 @@
   */
 
 /* KDE */
-#include <kapp.h>
+#include <tdeapplication.h>
 #include <tdelocale.h>
 #include <kcursor.h>
 #include <tdelistview.h>
diff --git a/knights/tabmanager.h b/knights/tabmanager.h
index f71d034..0b459bd 100644
--- a/knights/tabmanager.h
+++ b/knights/tabmanager.h
@@ -20,7 +20,7 @@
 
 #include <tqobject.h>
 #include <tqptrlist.h>
-#include <kapp.h>
+#include <tdeapplication.h>
 #include <tdeconfig.h>
 #include "tabbox.h"