diff --git a/lib/components/SpecialButton.dart b/lib/components/SpecialButton.dart
index e645de4..a337a56 100644
--- a/lib/components/SpecialButton.dart
+++ b/lib/components/SpecialButton.dart
@@ -32,7 +32,7 @@ class _SpecialButtonState extends State<SpecialButton> with SingleTickerProvider
   }
 
   Widget _buildAndroid() {
-    var textStyle;
+    TextStyle? textStyle;
     if (widget.useButtonTheme) {
       textStyle = Theme.of(context).textTheme.labelLarge;
     }
diff --git a/lib/components/config/ConfigItem.dart b/lib/components/config/ConfigItem.dart
index 5cae26e..0956fff 100644
--- a/lib/components/config/ConfigItem.dart
+++ b/lib/components/config/ConfigItem.dart
@@ -20,7 +20,7 @@ class ConfigItem extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    var textStyle;
+    TextStyle textStyle;
     if (Platform.isAndroid) {
       textStyle = Theme.of(context).textTheme.labelLarge!.copyWith(fontWeight: FontWeight.normal);
     } else {
diff --git a/lib/components/config/ConfigPageItem.dart b/lib/components/config/ConfigPageItem.dart
index 71d599a..32906a5 100644
--- a/lib/components/config/ConfigPageItem.dart
+++ b/lib/components/config/ConfigPageItem.dart
@@ -2,6 +2,7 @@ import 'dart:io';
 
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
+
 import 'package:mobile_nebula/components/SpecialButton.dart';
 import 'package:mobile_nebula/services/utils.dart';
 
@@ -25,7 +26,7 @@ class ConfigPageItem extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    var theme;
+    dynamic theme;
 
     if (Platform.isAndroid) {
       final origTheme = Theme.of(context);