From 9388221a413151a4bdc292d37385c4c003a42997 Mon Sep 17 00:00:00 2001
From: mark8044 <87546778+mark8044@users.noreply.github.com>
Date: Fri, 6 May 2022 14:23:47 -0700
Subject: [PATCH] Update toolbar.dart

---
 lib/src/widgets/toolbar.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/src/widgets/toolbar.dart b/lib/src/widgets/toolbar.dart
index a53bae78..65cdadcf 100644
--- a/lib/src/widgets/toolbar.dart
+++ b/lib/src/widgets/toolbar.dart
@@ -202,7 +202,7 @@ class QuillToolbar extends StatelessWidget implements PreferredSizeWidget {
                 ),
             ],
             onSelected: (newSize) {
-              if (newSize != null) {
+              if (newSize != null) && (newSize > 0) {
                 controller
                     .formatSelection(Attribute.fromKeyValue('size', newSize));
               }