diff --git a/app/src/main/java/com/example/android/architecture/blueprints/todoapp/tasks/TasksScreen.kt b/app/src/main/java/com/example/android/architecture/blueprints/todoapp/tasks/TasksScreen.kt
index 16cf81e86..14323416f 100644
--- a/app/src/main/java/com/example/android/architecture/blueprints/todoapp/tasks/TasksScreen.kt
+++ b/app/src/main/java/com/example/android/architecture/blueprints/todoapp/tasks/TasksScreen.kt
@@ -202,7 +202,7 @@ private fun TaskItem(
             textDecoration = if (task.isCompleted) {
                 TextDecoration.LineThrough
             } else {
-                null
+                TextDecoration.None
             }
         )
     }