diff --git a/animations/rotationstacked.cpp b/animations/rotationstacked.cpp
index 9b2d86aaa..3431eada4 100644
--- a/animations/rotationstacked.cpp
+++ b/animations/rotationstacked.cpp
@@ -24,11 +24,11 @@
 #include "stackedlayout.h"
 #include "plasma.h"
 
-const int sideAngle = 90;
-
 namespace Plasma
 {
 
+const int RotationStackedAnimation::s_sideAngle = 90;
+
 RotationStackedAnimation::RotationStackedAnimation(QObject *parent)
     : Animation(parent)
 {
@@ -183,13 +183,13 @@ void RotationStackedAnimation::updateCurrentTime(int currentTime)
     if (currentTime <= duration()/2) {
         layout->setCurrentWidgetIndex(0);
         delta = easingCurve().valueForProgress((currentTime*2) / qreal(duration()));
-        delta *= sideAngle;
+        delta *= s_sideAngle;
         m_frontRotation->setAngle(delta);
     } else {
         layout->setCurrentWidgetIndex(1);
         delta = 1 - easingCurve().valueForProgress(((currentTime*2) - duration()) / qreal(duration()));
         delta = -delta;
-        delta *= sideAngle;
+        delta *= s_sideAngle;
         m_backRotation->setAngle(delta);
     }
 }
diff --git a/animations/rotationstacked_p.h b/animations/rotationstacked_p.h
index a37b0b6be..c0cfd393c 100644
--- a/animations/rotationstacked_p.h
+++ b/animations/rotationstacked_p.h
@@ -118,6 +118,8 @@ private:
     QGraphicsRotation *m_backRotation;
     /** Front Widget Rotation transform object */
     QGraphicsRotation *m_frontRotation;
+
+    static const int s_sideAngle;
 };
 } // Plasma