diff --git a/effects/blur/blur.cpp b/effects/blur/blur.cpp
index ae9f37326..039f7a72c 100644
--- a/effects/blur/blur.cpp
+++ b/effects/blur/blur.cpp
@@ -46,14 +46,7 @@ BlurEffect::BlurEffect()
         qCDebug(KWINEFFECTS) << "Simple blur shader failed to load";
     }
 
-    // Offscreen texture that's used as the target for the horizontal blur pass
-    // and the source for the vertical pass.
-    tex = GLTexture(GL_RGBA8, effects->virtualScreenSize());
-    tex.setFilter(GL_LINEAR);
-    tex.setWrapMode(GL_CLAMP_TO_EDGE);
-
-    target = new GLRenderTarget(tex);
-
+    updateTexture();
     reconfigure(ReconfigureAll);
 
     // ### Hackish way to announce support.
@@ -83,6 +76,7 @@ BlurEffect::~BlurEffect()
 {
     windows.clear();
 
+    qDebug() << "deleting blur mangler";
     delete m_simpleShader;
     delete shader;
     delete target;
@@ -90,7 +84,21 @@ BlurEffect::~BlurEffect()
 
 void BlurEffect::slotScreenGeometryChanged()
 {
-    effects->reloadEffect(this);
+    updateTexture();
+    // Fetch the blur regions for all windows
+    foreach (EffectWindow *window, effects->stackingOrder())
+        updateBlurRegion(window);
+}
+
+void BlurEffect::updateTexture() {
+    delete target;
+    // Offscreen texture that's used as the target for the horizontal blur pass
+    // and the source for the vertical pass.
+    tex = GLTexture(GL_RGBA8, effects->virtualScreenSize());
+    tex.setFilter(GL_LINEAR);
+    tex.setWrapMode(GL_CLAMP_TO_EDGE);
+
+    target = new GLRenderTarget(tex);
 }
 
 void BlurEffect::reconfigure(ReconfigureFlags flags)
@@ -108,6 +116,7 @@ void BlurEffect::reconfigure(ReconfigureFlags flags)
 
     if (!shader || !shader->isValid()) {
         effects->removeSupportProperty(s_blurAtomName, this);
+        qDebug() << "deleting blur mangler2" << shader;
         delete m_blurManager;
         m_blurManager = nullptr;
     }
diff --git a/effects/blur/blur.h b/effects/blur/blur.h
index e6f44946d..e3023f8db 100644
--- a/effects/blur/blur.h
+++ b/effects/blur/blur.h
@@ -76,6 +76,7 @@ public Q_SLOTS:
     void slotScreenGeometryChanged();
 
 private:
+    void updateTexture();
     QRect expand(const QRect &rect) const;
     QRegion expand(const QRegion &region) const;
     QRegion blurRegion(const EffectWindow *w) const;