diff --git a/quotes/lib/quote_card.dart b/quotes/lib/quote_card.dart
index 4245052..e2127dc 100644
--- a/quotes/lib/quote_card.dart
+++ b/quotes/lib/quote_card.dart
@@ -4,8 +4,8 @@ import 'quote.dart';
 class QuoteCard extends StatelessWidget {
 
   final Quote quote;
-  final Function delete;
-  QuoteCard({ this.quote, this.delete });
+  final Function() delete;
+  QuoteCard({ required this.quote, required this.delete });
 
   @override
   Widget build(BuildContext context) {
@@ -42,4 +42,4 @@ class QuoteCard extends StatelessWidget {
         )
     );
   }
-}
\ No newline at end of file
+}