diff --git a/src/plugins/blur/blur.cpp b/src/plugins/blur/blur.cpp
index 53b2b1fa7e..9cde73b9ba 100644
--- a/src/plugins/blur/blur.cpp
+++ b/src/plugins/blur/blur.cpp
@@ -266,12 +266,7 @@ void BlurEffect::updateBlurRegion(EffectWindow *w)
         BlurEffectData &data = m_windows[w];
         data.content = content;
         data.frame = frame;
-        if (content) {
-            data.surfaceEffect = ItemEffect(w->windowItem()->surfaceItem());
-        }
-        if (frame) {
-            data.surfaceEffect = ItemEffect(w->windowItem()->decorationItem());
-        }
+        data.windowEffect = ItemEffect(w->windowItem());
     } else {
         if (auto it = m_windows.find(w); it != m_windows.end()) {
             effects->makeOpenGLContextCurrent();
diff --git a/src/plugins/blur/blur.h b/src/plugins/blur/blur.h
index 94b6c50eef..091cb1c524 100644
--- a/src/plugins/blur/blur.h
+++ b/src/plugins/blur/blur.h
@@ -32,14 +32,14 @@ struct BlurEffectData
 {
     /// The region that should be blurred behind the window
     std::optional<QRegion> content;
-    ItemEffect surfaceEffect;
 
     /// The region that should be blurred behind the frame
     std::optional<QRegion> frame;
-    ItemEffect decorationEffect;
 
     /// The render data per screen. Screens can have different color spaces.
     std::unordered_map<Output *, BlurRenderData> render;
+
+    ItemEffect windowEffect;
 };
 
 class BlurEffect : public KWin::Effect