diff --git a/lib/credit_card_widget.dart b/lib/credit_card_widget.dart
index 73cfd9a..f0e50b4 100644
--- a/lib/credit_card_widget.dart
+++ b/lib/credit_card_widget.dart
@@ -604,11 +604,13 @@ class _CreditCardWidgetState extends State<CreditCardWidget>
     return icon;
   }
 
-  List<CustomCardTypeImage> getCustomCardTypeIcon(CardType currentCardType) =>
-      widget.customCardIcons
-          .where((CustomCardTypeImage element) =>
-      element.cardType == currentCardType)
-          .toList();
+  List<CustomCardTypeImage> getCustomCardTypeIcon(CardType currentCardType) {
+    final List<CustomCardTypeImage> customCardTypeIcon = widget.customCardIcons
+        .where((CustomCardTypeImage element) =>
+            element.cardType == currentCardType)
+        .toList();
+    return customCardTypeIcon;
+  }
 }
 
 class MaskedTextController extends TextEditingController {