diff --git a/lib/ui/settings/templates_and_reminders.dart b/lib/ui/settings/templates_and_reminders.dart
index 6585186f8..737f5822a 100644
--- a/lib/ui/settings/templates_and_reminders.dart
+++ b/lib/ui/settings/templates_and_reminders.dart
@@ -31,12 +31,12 @@ class TemplatesAndReminders extends StatefulWidget {
 class _TemplatesAndRemindersState extends State<TemplatesAndReminders>
     with SingleTickerProviderStateMixin {
   static final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
+  final _debouncer = Debouncer();
 
   String _template = kEmailTemplateInvoice;
   FocusScopeNode _focusNode;
   TabController _controller;
 
-  final _debouncer = Debouncer(milliseconds: 500);
 
   final _subjectController = TextEditingController();
   final _bodyController = TextEditingController();
diff --git a/lib/utils/completers.dart b/lib/utils/completers.dart
index 6287b2b67..891e76ab2 100644
--- a/lib/utils/completers.dart
+++ b/lib/utils/completers.dart
@@ -80,7 +80,7 @@ Completer<Null> errorCompleter(BuildContext context) {
 
 // https://stackoverflow.com/a/55119208/497368
 class Debouncer {
-  Debouncer({this.milliseconds});
+  Debouncer({this.milliseconds = 500});
 
   final int milliseconds;
   VoidCallback action;