diff --git a/kwin/effects/mousemark/mousemark.cpp b/kwin/effects/mousemark/mousemark.cpp
index 77abf07a..7503bb46 100644
--- a/kwin/effects/mousemark/mousemark.cpp
+++ b/kwin/effects/mousemark/mousemark.cpp
@@ -136,8 +136,8 @@ void MouseMarkEffect::paintScreen(int mask, QRegion region, ScreenPaintData& dat
 }
 
 void MouseMarkEffect::slotMouseChanged(const QPoint& pos, const QPoint&,
-                                   Qt::MouseButtons, Qt::MouseButtons,
-                                   Qt::KeyboardModifiers modifiers, Qt::KeyboardModifiers)
+                                       Qt::MouseButtons, Qt::MouseButtons,
+                                       Qt::KeyboardModifiers modifiers, Qt::KeyboardModifiers)
 {
     if (modifiers == (Qt::META | Qt::SHIFT | Qt::CTRL)) {  // start/finish arrow
         if (arrow_start != NULL_POINT) {
diff --git a/kwin/kcmkwin/kwinscreenedges/monitor.cpp b/kwin/kcmkwin/kwinscreenedges/monitor.cpp
index 399e30ff..6e7fb8b4 100644
--- a/kwin/kcmkwin/kwinscreenedges/monitor.cpp
+++ b/kwin/kcmkwin/kwinscreenedges/monitor.cpp
@@ -168,6 +168,7 @@ int Monitor::selectedEdgeItem(int edge) const
             return popup_actions[ edge ].indexOf(act);
     }
     kFatal() << "Something strange happened";
+    return 0;
 }
 
 void Monitor::popup(Corner* c, QPoint pos)