diff --git a/src/Markup/Avalonia.Markup.Xaml/XamlIl/xamlil.github b/src/Markup/Avalonia.Markup.Xaml/XamlIl/xamlil.github
index 2bfb0ccadd..c7155c5f6c 160000
--- a/src/Markup/Avalonia.Markup.Xaml/XamlIl/xamlil.github
+++ b/src/Markup/Avalonia.Markup.Xaml/XamlIl/xamlil.github
@@ -1 +1 @@
-Subproject commit 2bfb0ccaddcd311bc8948eec475d1a8744a8d645
+Subproject commit c7155c5f6c1a5153ee2d8cd78e5d1524dd6744cf
diff --git a/tests/Avalonia.Markup.Xaml.UnitTests/Xaml/BindingTests.cs b/tests/Avalonia.Markup.Xaml.UnitTests/Xaml/BindingTests.cs
index 8681722e57..b1abc9ea54 100644
--- a/tests/Avalonia.Markup.Xaml.UnitTests/Xaml/BindingTests.cs
+++ b/tests/Avalonia.Markup.Xaml.UnitTests/Xaml/BindingTests.cs
@@ -335,8 +335,10 @@ namespace Avalonia.Markup.Xaml.UnitTests.Xaml
             }
         }
 
-        [Fact]
-        public void MultiBinding_To_TextBlock_Text_With_StringConverter_Works()
+        [Theory,
+            InlineData("{}{0} {1}!"),
+            InlineData(@"\{0\} \{1\}!")]
+        public void MultiBinding_To_TextBlock_Text_With_StringConverter_Works(string fmt)
         {
             using (UnitTestApplication.Start(TestServices.StyledWindow))
             {
@@ -346,7 +348,7 @@ namespace Avalonia.Markup.Xaml.UnitTests.Xaml
         xmlns:local='clr-namespace:Avalonia.Markup.Xaml.UnitTests.Xaml;assembly=Avalonia.Markup.Xaml.UnitTests'>
     <TextBlock Name='textBlock'>
         <TextBlock.Text>
-            <MultiBinding StringFormat='{}{0} {1}!'>
+            <MultiBinding StringFormat='" + fmt + @"'>
                 <Binding Path='Greeting1'/>
                 <Binding Path='Greeting2'/>
             </MultiBinding>