diff --git a/lib/src/speed_dial.dart b/lib/src/speed_dial.dart
index 37c1a89..1f51ce2 100644
--- a/lib/src/speed_dial.dart
+++ b/lib/src/speed_dial.dart
@@ -77,7 +77,7 @@ class SpeedDial extends StatefulWidget {
   final bool closeManually;
   
   /// If true overlay is rendered, no matter if closeManually is true or false.
-  final bool renderOverlay = false;
+  final bool renderOverlay;
 
   /// Open or close the dial via a notification
   final ValueNotifier<bool> openCloseDial;