diff --git a/kwinadaptor.cpp b/kwinadaptor.cpp
index a775fda6cf..1da53cf279 100644
--- a/kwinadaptor.cpp
+++ b/kwinadaptor.cpp
@@ -146,37 +146,37 @@ void KWinAdaptor::setDesktopLayout(int orientation, int x, int y)
     //static_cast<YourObjectType *>(parent())->setDesktopLayout(orientation, x, y);
 }
 
-void KWinAdaptor::setOpacity(qulonglong winId, uint opacityPercent)
+void KWinAdaptor::setOpacity(qlonglong winId, uint opacityPercent)
 {
     // handle method call org.kde.KWin.setOpacity
-    QMetaObject::invokeMethod(parent(), "setOpacity", Q_ARG(qulonglong, winId), Q_ARG(uint, opacityPercent));
+    QMetaObject::invokeMethod(parent(), "setOpacity", Q_ARG(qlonglong, winId), Q_ARG(uint, opacityPercent));
 
     // Alternative:
     //static_cast<YourObjectType *>(parent())->setOpacity(winId, opacityPercent);
 }
 
-void KWinAdaptor::setShadowSize(qulonglong winId, uint shadowSizePercent)
+void KWinAdaptor::setShadowSize(qlonglong winId, uint shadowSizePercent)
 {
     // handle method call org.kde.KWin.setShadowSize
-    QMetaObject::invokeMethod(parent(), "setShadowSize", Q_ARG(qulonglong, winId), Q_ARG(uint, shadowSizePercent));
+    QMetaObject::invokeMethod(parent(), "setShadowSize", Q_ARG(qlonglong, winId), Q_ARG(uint, shadowSizePercent));
 
     // Alternative:
     //static_cast<YourObjectType *>(parent())->setShadowSize(winId, shadowSizePercent);
 }
 
-void KWinAdaptor::setUnshadowed(qulonglong winId)
+void KWinAdaptor::setUnshadowed(qlonglong winId)
 {
     // handle method call org.kde.KWin.setUnshadowed
-    QMetaObject::invokeMethod(parent(), "setUnshadowed", Q_ARG(qulonglong, winId));
+    QMetaObject::invokeMethod(parent(), "setUnshadowed", Q_ARG(qlonglong, winId));
 
     // Alternative:
     //static_cast<YourObjectType *>(parent())->setUnshadowed(winId);
 }
 
-void KWinAdaptor::showWindowMenuAt(qulonglong winId, int x, int y)
+void KWinAdaptor::showWindowMenuAt(qlonglong winId, int x, int y)
 {
     // handle method call org.kde.KWin.showWindowMenuAt
-    QMetaObject::invokeMethod(parent(), "showWindowMenuAt", Q_ARG(qulonglong, winId), Q_ARG(int, x), Q_ARG(int, y));
+    QMetaObject::invokeMethod(parent(), "showWindowMenuAt", Q_ARG(qlonglong, winId), Q_ARG(int, x), Q_ARG(int, y));
 
     // Alternative:
     //static_cast<YourObjectType *>(parent())->showWindowMenuAt(winId, x, y);
diff --git a/kwinadaptor.h b/kwinadaptor.h
index 285b82f1b3..74ea0452f3 100644
--- a/kwinadaptor.h
+++ b/kwinadaptor.h
@@ -7,8 +7,8 @@
  * This is an auto-generated file.
  */
 
-#ifndef KWINADAPTOR_H_289111149679568
-#define KWINADAPTOR_H_289111149679568
+#ifndef KWINADAPTOR_H_187881149684785
+#define KWINADAPTOR_H_187881149684785
 
 #include <QtCore/QObject>
 #include <dbus/qdbus.h>
@@ -45,7 +45,7 @@ class KWinAdaptor: public QDBusAbstractAdaptor
 "      <arg direction=\"in\" type=\"s\" name=\"name\" />\n"
 "    </method>\n"
 "    <method name=\"showWindowMenuAt\" >\n"
-"      <arg direction=\"in\" type=\"t\" name=\"winId\" />\n"
+"      <arg direction=\"in\" type=\"x\" name=\"winId\" />\n"
 "      <arg direction=\"in\" type=\"i\" name=\"x\" />\n"
 "      <arg direction=\"in\" type=\"i\" name=\"y\" />\n"
 "    </method>\n"
@@ -70,15 +70,15 @@ class KWinAdaptor: public QDBusAbstractAdaptor
 "      <arg direction=\"out\" type=\"b\" />\n"
 "    </method>\n"
 "    <method name=\"setOpacity\" >\n"
-"      <arg direction=\"in\" type=\"t\" name=\"winId\" />\n"
+"      <arg direction=\"in\" type=\"x\" name=\"winId\" />\n"
 "      <arg direction=\"in\" type=\"u\" name=\"opacityPercent\" />\n"
 "    </method>\n"
 "    <method name=\"setShadowSize\" >\n"
-"      <arg direction=\"in\" type=\"t\" name=\"winId\" />\n"
+"      <arg direction=\"in\" type=\"x\" name=\"winId\" />\n"
 "      <arg direction=\"in\" type=\"u\" name=\"shadowSizePercent\" />\n"
 "    </method>\n"
 "    <method name=\"setUnshadowed\" >\n"
-"      <arg direction=\"in\" type=\"t\" name=\"winId\" />\n"
+"      <arg direction=\"in\" type=\"x\" name=\"winId\" />\n"
 "    </method>\n"
 "    <signal name=\"kompmgrStarted\" />\n"
 "    <signal name=\"kompmgrStopped\" />\n"
@@ -103,10 +103,10 @@ public Q_SLOTS: // METHODS
     void refresh();
     bool setCurrentDesktop(int desktop);
     void setDesktopLayout(int orientation, int x, int y);
-    void setOpacity(qulonglong winId, uint opacityPercent);
-    void setShadowSize(qulonglong winId, uint shadowSizePercent);
-    void setUnshadowed(qulonglong winId);
-    void showWindowMenuAt(qulonglong winId, int x, int y);
+    void setOpacity(qlonglong winId, uint opacityPercent);
+    void setShadowSize(qlonglong winId, uint shadowSizePercent);
+    void setUnshadowed(qlonglong winId);
+    void showWindowMenuAt(qlonglong winId, int x, int y);
     void startKompmgr();
     void stopKompmgr();
     Q_ASYNC void unclutterDesktop();
diff --git a/org.kde.KWin.xml b/org.kde.KWin.xml
index b3b2d0a52d..a2ab1a53e7 100644
--- a/org.kde.KWin.xml
+++ b/org.kde.KWin.xml
@@ -19,7 +19,7 @@
     <arg name="name" type="s" direction="in"/>
     </method>
     <method name="showWindowMenuAt">
-    <arg name="winId" type="t" direction="in"/>
+    <arg name="winId" type="x" direction="in"/>
     <arg name="x" type="i" direction="in"/>
     <arg name="y" type="i" direction="in"/>
     </method>
@@ -44,15 +44,15 @@
     <arg type="b" direction="out"/>
     </method>
     <method name="setOpacity">
-    <arg name="winId" type="t" direction="in"/>
+    <arg name="winId" type="x" direction="in"/>
     <arg name="opacityPercent" type="u" direction="in"/>
     </method>
     <method name="setShadowSize">
-    <arg name="winId" type="t" direction="in"/>
+    <arg name="winId" type="x" direction="in"/>
     <arg name="shadowSizePercent" type="u" direction="in"/>
     </method>
     <method name="setUnshadowed">
-    <arg name="winId" type="t" direction="in"/>
+    <arg name="winId" type="x" direction="in"/>
     </method>
     <signal name="kompmgrStarted"/>
     <signal name="kompmgrStopped"/>