diff --git a/composite.cpp b/composite.cpp
index 6922c2faa0..36a3b3fe76 100644
--- a/composite.cpp
+++ b/composite.cpp
@@ -247,6 +247,7 @@ void Workspace::finishCompositing()
     delete scene;
     scene = NULL;
     compositeTimer.stop();
+    mousePollingTimer.stop();
     repaints_region = QRegion();
     for( ClientList::ConstIterator it = clients.constBegin();
          it != clients.constEnd();
diff --git a/lib/kwineffects.h b/lib/kwineffects.h
index 94a7088a7c..540eb91fa2 100644
--- a/lib/kwineffects.h
+++ b/lib/kwineffects.h
@@ -164,7 +164,7 @@ X-KDE-Library=kwin4_effect_cooleffect
 
 #define KWIN_EFFECT_API_MAKE_VERSION( major, minor ) (( major ) << 8 | ( minor ))
 #define KWIN_EFFECT_API_VERSION_MAJOR 0
-#define KWIN_EFFECT_API_VERSION_MINOR 57
+#define KWIN_EFFECT_API_VERSION_MINOR 58
 #define KWIN_EFFECT_API_VERSION KWIN_EFFECT_API_MAKE_VERSION( \
     KWIN_EFFECT_API_VERSION_MAJOR, KWIN_EFFECT_API_VERSION_MINOR )