diff --git a/core/designsystem/src/main/kotlin/com/google/samples/apps/nowinandroid/core/designsystem/component/scrollbar/Scrollbar.kt b/core/designsystem/src/main/kotlin/com/google/samples/apps/nowinandroid/core/designsystem/component/scrollbar/Scrollbar.kt
index 1e5850f30..8c85e5be5 100644
--- a/core/designsystem/src/main/kotlin/com/google/samples/apps/nowinandroid/core/designsystem/component/scrollbar/Scrollbar.kt
+++ b/core/designsystem/src/main/kotlin/com/google/samples/apps/nowinandroid/core/designsystem/component/scrollbar/Scrollbar.kt
@@ -96,7 +96,7 @@ class ScrollbarState {
      * Returns the max distance the thumb can travel as a percentage of total track size
      */
     val thumbTrackSizePercent
-        get() = 1f - unpackFloat1(packedValue)
+        get() = 1f - thumbSizePercent
 }
 
 /**