diff --git a/services/core/java/com/android/server/wm/WindowState.java b/services/core/java/com/android/server/wm/WindowState.java
index ab2f424261533..9234390940f76 100644
--- a/services/core/java/com/android/server/wm/WindowState.java
+++ b/services/core/java/com/android/server/wm/WindowState.java
@@ -421,6 +421,7 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
 
     // Current transformation being applied.
     float mGlobalScale=1;
+    float mLastGlobalScale=1;
     float mInvGlobalScale=1;
     float mHScale=1, mVScale=1;
     float mLastHScale=1, mLastVScale=1;
@@ -5301,6 +5302,14 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
         }
     }
 
+    private void updateGlobalScaleIfNeeded() {
+        if (mLastGlobalScale != mGlobalScale) {
+            getPendingTransaction().setMatrix(getSurfaceControl(),
+                mGlobalScale, 0, 0, mGlobalScale);
+            mLastGlobalScale = mGlobalScale;
+        }
+    }
+
     @Override
     void prepareSurfaces() {
         mIsDimming = false;
@@ -5308,6 +5317,7 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
         updateSurfacePositionNonOrganized();
         // Send information to SufaceFlinger about the priority of the current window.
         updateFrameRateSelectionPriorityIfNeeded();
+        updateGlobalScaleIfNeeded();
 
         mWinAnimator.prepareSurfaceLocked(SurfaceControl.getGlobalTransaction(), true);
         super.prepareSurfaces();
diff --git a/services/core/java/com/android/server/wm/WindowStateAnimator.java b/services/core/java/com/android/server/wm/WindowStateAnimator.java
index 1e959e54555f9..d845b123a5607 100644
--- a/services/core/java/com/android/server/wm/WindowStateAnimator.java
+++ b/services/core/java/com/android/server/wm/WindowStateAnimator.java
@@ -624,10 +624,10 @@ class WindowStateAnimator {
 
         mShownAlpha = mAlpha;
         mHaveMatrix = false;
-        mDsDx = mWin.mGlobalScale;
+        mDsDx = 1;
         mDtDx = 0;
         mDtDy = 0;
-        mDsDy = mWin.mGlobalScale;
+        mDsDy = 1;
     }
 
     private boolean shouldConsumeMainWindowSizeTransaction() {