diff --git a/packages/SystemUI/res/values/dimens.xml b/packages/SystemUI/res/values/dimens.xml
index fa4b81a36033c..10d7c430a5a9f 100644
--- a/packages/SystemUI/res/values/dimens.xml
+++ b/packages/SystemUI/res/values/dimens.xml
@@ -170,6 +170,9 @@
     <!-- Minimum height of a notification to be interactable -->
     <dimen name="notification_min_interaction_height">40dp</dimen>
 
+    <!-- New radius for notifications. -->
+    <dimen name="notification_corner_radius">20dp</dimen>
+
     <!-- the padding of the shelf icon container -->
     <dimen name="shelf_icon_container_padding">13dp</dimen>
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableOutlineView.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableOutlineView.java
index bb78f6168d28d..2ff43d002f3a7 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableOutlineView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableOutlineView.java
@@ -239,8 +239,7 @@ public abstract class ExpandableOutlineView extends ExpandableView {
         mOutlineRadius = res.getDimension(R.dimen.notification_shadow_radius);
         mAlwaysRoundBothCorners = res.getBoolean(R.bool.config_clipNotificationsToOutline);
         if (!mAlwaysRoundBothCorners) {
-            mOutlineRadius = res.getDimensionPixelSize(
-                    Utils.getThemeAttr(mContext, android.R.attr.dialogCornerRadius));
+            mOutlineRadius = res.getDimensionPixelSize(R.dimen.notification_corner_radius);
         }
         setClipToOutline(mAlwaysRoundBothCorners);
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
index 2a2a0b14a2d2c..89a7857bf6ce8 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
@@ -892,15 +892,13 @@ public class NotificationStackScrollLayout extends ViewGroup implements Dumpable
         mSidePaddings = res.getDimensionPixelSize(R.dimen.notification_side_paddings);
         mMinInteractionHeight = res.getDimensionPixelSize(
                 R.dimen.notification_min_interaction_height);
-        mCornerRadius = res.getDimensionPixelSize(
-                Utils.getThemeAttr(mContext, android.R.attr.dialogCornerRadius));
+        mCornerRadius = res.getDimensionPixelSize(R.dimen.notification_corner_radius);
         mHeadsUpInset = mStatusBarHeight + res.getDimensionPixelSize(
                 R.dimen.heads_up_status_bar_padding);
     }
 
     void updateCornerRadius() {
-        int newRadius = getResources().getDimensionPixelSize(
-                Utils.getThemeAttr(getContext(), android.R.attr.dialogCornerRadius));
+        int newRadius = getResources().getDimensionPixelSize(R.dimen.notification_corner_radius);
         if (mCornerRadius != newRadius) {
             mCornerRadius = newRadius;
             invalidate();