diff --git a/core/res/res/values/dimens.xml b/core/res/res/values/dimens.xml
index 8635a4f..3223940 100644
--- a/core/res/res/values/dimens.xml
+++ b/core/res/res/values/dimens.xml
@@ -364,7 +364,8 @@
 
     <dimen name="resolver_max_width">480dp</dimen>
 
-    <!-- Size of the offset applied to the position of the circular mask. This
+    <!-- @deprecated Use config_windowOutsetBottom instead.
+         Size of the offset applied to the position of the circular mask. This
          is only used on circular displays. In the case where there is no
          "chin", this will default to 0 -->
     <dimen name="circular_display_mask_offset">0px</dimen>
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 69ba724..d4e51b2 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -5983,8 +5983,8 @@
                 if (visible) {
                     // TODO(multi-display): support multiple displays
                     if (mCircularDisplayMask == null) {
-                        int screenOffset = mContext.getResources().getDimensionPixelSize(
-                                com.android.internal.R.dimen.circular_display_mask_offset);
+                        int screenOffset = mContext.getResources().getInteger(
+                                com.android.internal.R.integer.config_windowOutsetBottom);
                         int maskThickness = mContext.getResources().getDimensionPixelSize(
                                 com.android.internal.R.dimen.circular_display_mask_thickness);