diff --git a/kcmkwin/kwinoptions/main.h b/kcmkwin/kwinoptions/main.h
index c9ec3ac0e6..6d7420afee 100644
--- a/kcmkwin/kwinoptions/main.h
+++ b/kcmkwin/kwinoptions/main.h
@@ -50,7 +50,7 @@ public:
     QString quickHelp() const;
 
 
-protected slots:
+protected Q_SLOTS:
 
     void moduleChanged(bool state);
 
@@ -81,7 +81,7 @@ public:
     void save();
     void defaults();
 
-protected slots:
+protected Q_SLOTS:
 
     void moduleChanged(bool state);
 
diff --git a/kcmkwin/kwinoptions/mouse.h b/kcmkwin/kwinoptions/mouse.h
index ec86289b95..43a4f78bdf 100644
--- a/kcmkwin/kwinoptions/mouse.h
+++ b/kcmkwin/kwinoptions/mouse.h
@@ -63,7 +63,7 @@ public:
 protected:
     void showEvent(QShowEvent *ev);
 
-public slots:
+public Q_SLOTS:
     void changed() {
         emit KCModule::changed(true);
     }
@@ -85,7 +85,7 @@ private:
     void createMaximizeButtonTooltips(KComboBox* combo);
     const char* fixup(const char* s);
 
-private slots:
+private Q_SLOTS:
     void paletteChanged();
 
 };
@@ -106,7 +106,7 @@ public:
 protected:
     void showEvent(QShowEvent *ev);
 
-public slots:
+public Q_SLOTS:
     void changed() {
         emit KCModule::changed(true);
     }
diff --git a/kcmkwin/kwinoptions/windows.h b/kcmkwin/kwinoptions/windows.h
index 06a30bb921..951307dc08 100644
--- a/kcmkwin/kwinoptions/windows.h
+++ b/kcmkwin/kwinoptions/windows.h
@@ -82,7 +82,7 @@ public:
 protected:
     void showEvent(QShowEvent *ev);
 
-private slots:
+private Q_SLOTS:
     void setDelayFocusEnabled();
     void focusPolicyChanged();
     void autoRaiseOnTog(bool);//CT 23Oct1998
@@ -130,7 +130,7 @@ public:
 protected:
     void showEvent(QShowEvent *ev);
 
-private slots:
+private Q_SLOTS:
     void changed() {
         emit KCModule::changed(true);
     }
@@ -167,7 +167,7 @@ public:
 protected:
     void showEvent(QShowEvent *ev);
 
-private slots:
+private Q_SLOTS:
     void shadeHoverChanged(bool);
 
     void changed() {