diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/stack/StackScrollAlgorithm.java b/packages/SystemUI/src/com/android/systemui/statusbar/stack/StackScrollAlgorithm.java
index 7306c83e6abed..bd9de8270c685 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/stack/StackScrollAlgorithm.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/stack/StackScrollAlgorithm.java
@@ -82,7 +82,7 @@ public class StackScrollAlgorithm {
         mTopStackIndentationFunctor = new PiecewiseLinearIndentationFunctor(
                 MAX_ITEMS_IN_TOP_STACK,
                 mTopStackPeekSize,
-                mTopStackTotalSize,
+                mTopStackTotalSize - mTopStackPeekSize,
                 0.5f);
         mBottomStackIndentationFunctor = new PiecewiseLinearIndentationFunctor(
                 MAX_ITEMS_IN_BOTTOM_STACK,