diff --git a/src/Generator/AST/Utils.cs b/src/Generator/AST/Utils.cs
index d749b4e42..9074614ac 100644
--- a/src/Generator/AST/Utils.cs
+++ b/src/Generator/AST/Utils.cs
@@ -30,7 +30,7 @@ public static bool CheckIgnoreMethod(Method method)
             var isEmptyCtor = method.IsConstructor && method.Parameters.Count == 0;
 
             var @class = method.Namespace as Class;
-            if (@class != null && @class.IsValueType && isEmptyCtor && method.IsDefaulted)
+            if (@class != null && @class.IsValueType && isEmptyCtor && !@class.HasNonTrivialDefaultConstructor)
                 return true;
 
             if (method.IsDestructor)
diff --git a/tests/dotnet/CSharp/CSharp.Tests.cs b/tests/dotnet/CSharp/CSharp.Tests.cs
index d7e69031f..a20025fd8 100644
--- a/tests/dotnet/CSharp/CSharp.Tests.cs
+++ b/tests/dotnet/CSharp/CSharp.Tests.cs
@@ -2050,7 +2050,6 @@ public void TestValueTypeStringMemberDefaulted()
     }
 
     [Test]
-    [Ignore("https://github.com/mono/CppSharp/issues/1777")]
     public void TestValueTypeStringMemberDefaultedCtor()
     {
         var test = new CSharp.ValueTypeNoCtor();
diff --git a/tests/dotnet/Common/Common.CSharp.csproj b/tests/dotnet/Common/Common.CSharp.csproj
index 234531160..ab697a82e 100644
--- a/tests/dotnet/Common/Common.CSharp.csproj
+++ b/tests/dotnet/Common/Common.CSharp.csproj
@@ -1,5 +1,5 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <LangVersion>10.0</LangVersion>
+    <LangVersion>11.0</LangVersion>
   </PropertyGroup>
 </Project>
\ No newline at end of file