diff --git a/core/java/com/android/internal/policy/ScreenDecorationsUtils.java b/core/java/com/android/internal/policy/ScreenDecorationsUtils.java
index adf7692adc569..52172cf043629 100644
--- a/core/java/com/android/internal/policy/ScreenDecorationsUtils.java
+++ b/core/java/com/android/internal/policy/ScreenDecorationsUtils.java
@@ -36,13 +36,16 @@ public class ScreenDecorationsUtils {
         }
 
         // Radius that should be used in case top or bottom aren't defined.
-        float defaultRadius = resources.getDimension(R.dimen.rounded_corner_radius);
+        float defaultRadius = resources.getDimension(R.dimen.rounded_corner_radius)
+                - resources.getDimension(R.dimen.rounded_corner_radius_adjustment);
 
-        float topRadius = resources.getDimension(R.dimen.rounded_corner_radius_top);
+        float topRadius = resources.getDimension(R.dimen.rounded_corner_radius_top)
+                - resources.getDimension(R.dimen.rounded_corner_radius_top_adjustment);
         if (topRadius == 0f) {
             topRadius = defaultRadius;
         }
-        float bottomRadius = resources.getDimension(R.dimen.rounded_corner_radius_bottom);
+        float bottomRadius = resources.getDimension(R.dimen.rounded_corner_radius_bottom)
+                - resources.getDimension(R.dimen.rounded_corner_radius_bottom_adjustment);
         if (bottomRadius == 0f) {
             bottomRadius = defaultRadius;
         }
diff --git a/core/res/res/values/dimens.xml b/core/res/res/values/dimens.xml
index 5363ef9208868..039bc4d925a1c 100644
--- a/core/res/res/values/dimens.xml
+++ b/core/res/res/values/dimens.xml
@@ -90,6 +90,24 @@
         orientation. If zero, the value of rounded_corner_radius is used. -->
     <dimen name="rounded_corner_radius_bottom">0dp</dimen>
 
+    <!-- Default adjustment for the software rounded corners since corners are not perfectly
+        round. This value is used when retrieving the "radius" of the rounded corner in cases
+        where the exact bezier curve cannot be retrieved.  This value will be subtracted from
+        rounded_corner_radius to more accurately provide a "radius" for the rounded corner. -->
+    <dimen name="rounded_corner_radius_adjustment">0px</dimen>
+    <!-- Top adjustment for the software rounded corners since corners are not perfectly
+        round.  This value is used when retrieving the "radius" of the top rounded corner in cases
+        where the exact bezier curve cannot be retrieved.  This value will be subtracted from
+        rounded_corner_radius_top to more accurately provide a "radius" for the top rounded corners.
+         -->
+    <dimen name="rounded_corner_radius_top_adjustment">0px</dimen>
+    <!-- Bottom adjustment for the software rounded corners since corners are not perfectly
+        round.  This value is used when retrieving the "radius" of the bottom rounded corner in
+        cases where the exact bezier curve cannot be retrieved.  This value will be subtracted from
+        rounded_corner_radius_bottom to more accurately provide a "radius" for the bottom rounded
+        corners. -->
+    <dimen name="rounded_corner_radius_bottom_adjustment">0px</dimen>
+
     <!-- Width of the window of the divider bar used to resize docked stacks. -->
     <dimen name="docked_stack_divider_thickness">48dp</dimen>
 
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 03e659b25624c..9b822ec5c1bee 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -3708,6 +3708,9 @@
   <java-symbol type="dimen" name="rounded_corner_radius" />
   <java-symbol type="dimen" name="rounded_corner_radius_top" />
   <java-symbol type="dimen" name="rounded_corner_radius_bottom" />
+  <java-symbol type="dimen" name="rounded_corner_radius_adjustment" />
+  <java-symbol type="dimen" name="rounded_corner_radius_top_adjustment" />
+  <java-symbol type="dimen" name="rounded_corner_radius_bottom_adjustment" />
   <java-symbol type="bool" name="config_supportsRoundedCornersOnWindows" />
 
   <java-symbol type="string" name="config_defaultModuleMetadataProvider" />