diff --git a/lib/app_upgrade_simple.dart b/lib/app_upgrade_simple.dart
index 6585e4f..13f7036 100644
--- a/lib/app_upgrade_simple.dart
+++ b/lib/app_upgrade_simple.dart
@@ -1106,7 +1106,14 @@ mixin _UpgradeDialogLogic<T extends StatefulWidget> on State<T> {
     }
 
     return RichText(
-      text: TextSpan(children: spans),
+      text: TextSpan(
+        style: TextStyle(
+          fontSize: 13,
+          color: colorScheme.onSurface.withOpacity(0.8),
+          height: 1.4,
+        ),
+        children: spans,
+      ),
       softWrap: true,
       maxLines: null,
     );
@@ -1141,7 +1148,6 @@ mixin _UpgradeDialogLogic<T extends StatefulWidget> on State<T> {
       if (buffer.isEmpty) return;
       spans.add(TextSpan(
         text: buffer.toString(),
-        style: styles.defaultStyle,
       ));
       buffer.clear();
     }
@@ -1261,9 +1267,12 @@ mixin _UpgradeDialogLogic<T extends StatefulWidget> on State<T> {
   TextSpan _mergeTextSpanStyle(TextSpan span, TextStyle style) {
     final mergedChildren =
         span.children?.map((child) => child is TextSpan ? _mergeTextSpanStyle(child, style) : child).toList();
+
+    final mergedStyle = span.style != null ? style.merge(span.style) : style;
+
     return TextSpan(
       text: span.text,
-      style: span.style?.merge(style) ?? style,
+      style: mergedStyle,
       children: mergedChildren,
     );
   }
@@ -2176,12 +2185,7 @@ typedef BoolCallback = void Function(bool success);
 
 class _RichTextStyles {
   _RichTextStyles(ColorScheme colorScheme)
-      : defaultStyle = TextStyle(
-          fontSize: 13,
-          color: colorScheme.onSurface.withOpacity(0.8),
-          height: 1.4,
-        ),
-        boldStyle = TextStyle(
+      : boldStyle = TextStyle(
           fontSize: 13,
           color: colorScheme.onSurface.withOpacity(0.9),
           height: 1.4,
@@ -2207,7 +2211,6 @@ class _RichTextStyles {
           fontWeight: FontWeight.w600,
         );
 
-  final TextStyle defaultStyle;
   final TextStyle boldStyle;
   final TextStyle italicStyle;
   final TextStyle codeStyle;