diff --git a/lib/src/line_size_builder.dart b/lib/src/line_size_builder.dart
index 8ae725a..5a659db 100644
--- a/lib/src/line_size_builder.dart
+++ b/lib/src/line_size_builder.dart
@@ -37,7 +37,7 @@ class LineSizeBuilder extends StatelessWidget {
         style: styleForHeightCalculation ??
             Theme.of(context).primaryTextTheme.bodyLarge,
       ),
-      textScaleFactor: MediaQuery.of(context).textScaleFactor,
+      textScaler: MediaQuery.of(context).textScaler,
       textDirection: TextDirection.ltr,
     )..layout(maxWidth: maxWidth);