diff --git a/lib/style.dart b/lib/style.dart
index 2f889cc477..241ab610a4 100644
--- a/lib/style.dart
+++ b/lib/style.dart
@@ -189,7 +189,7 @@ class Style {
     this.lineHeight,
     this.letterSpacing,
     this.listStyleType,
-    this.listStylePosition,
+    this.listStylePosition = ListStylePosition.OUTSIDE,
     this.padding,
     this.margin,
     this.textAlign,