diff --git a/lib/modal_progress_hud.dart b/lib/modal_progress_hud.dart
index da9186d..fd031b1 100644
--- a/lib/modal_progress_hud.dart
+++ b/lib/modal_progress_hud.dart
@@ -48,26 +48,27 @@ class ModalProgressHUD extends StatelessWidget {
   Widget build(BuildContext context) {
     if (!inAsyncCall) return child;
 
-    Widget layOutProgressIndicator;
-    if (offset == null)
-      layOutProgressIndicator = Center(child: progressIndicator);
-    else {
-      layOutProgressIndicator = Positioned(
-        child: progressIndicator,
-        left: offset.dx,
-        top: offset.dy,
-      );
-    }
-
-    return new Stack(
+    return Stack(
       children: [
         child,
-        new Opacity(
-          child: new ModalBarrier(dismissible: dismissible, color: color),
+        Opacity(
+          child: ModalBarrier(dismissible: dismissible, color: color),
           opacity: opacity,
         ),
-        layOutProgressIndicator,
+        _getLayOutProgressIndicator(),
       ],
     );
   }
+
+  Widget _getLayOutProgressIndicator() {
+    if (offset == null) {
+      return Center(child: progressIndicator);
+    }
+
+    return Positioned(
+      child: progressIndicator,
+      left: offset.dx,
+      top: offset.dy,
+    );
+  }
 }