diff --git a/ksquirrel/ksquirrel.cpp b/ksquirrel/ksquirrel.cpp
index ed9f0b3..f7a1818 100644
--- a/ksquirrel/ksquirrel.cpp
+++ b/ksquirrel/ksquirrel.cpp
@@ -39,7 +39,7 @@
 #include <kapplication.h>
 #include <khelpmenu.h>
 #include <kpopupmenu.h>
-#include <kwin.h>
+#include <twin.h>
 #include <kstatusbar.h>
 #include <kmenubar.h>
 #include <ktoolbar.h>
diff --git a/ksquirrel/ksquirrelpart/sq_glwidget.cpp b/ksquirrel/ksquirrelpart/sq_glwidget.cpp
index 4891e6f..bda1f57 100644
--- a/ksquirrel/ksquirrelpart/sq_glwidget.cpp
+++ b/ksquirrel/ksquirrelpart/sq_glwidget.cpp
@@ -42,7 +42,7 @@
 #include <kdebug.h>
 #include <kio/job.h>
 #include <ktempfile.h>
-#include <kwin.h>
+#include <twin.h>
 #include <ktabbar.h>
 
 #include <cmath>
diff --git a/ksquirrel/sq_glwidget.cpp b/ksquirrel/sq_glwidget.cpp
index 4891e6f..bda1f57 100644
--- a/ksquirrel/sq_glwidget.cpp
+++ b/ksquirrel/sq_glwidget.cpp
@@ -42,7 +42,7 @@
 #include <kdebug.h>
 #include <kio/job.h>
 #include <ktempfile.h>
-#include <kwin.h>
+#include <twin.h>
 #include <ktabbar.h>
 
 #include <cmath>