diff --git a/src/libs/AutoSDK/Sources/Data.cs b/src/libs/AutoSDK/Sources/Data.cs
index c1d14ad821..afb27f7e42 100644
--- a/src/libs/AutoSDK/Sources/Data.cs
+++ b/src/libs/AutoSDK/Sources/Data.cs
@@ -217,7 +217,7 @@ .. includedTags.Select(tag => PropertyData.Default with
                             {
                                 CSharpType = ClientNameGenerator.Generate(settings, tag),
                             },
-                            Summary = tag.Description ?? string.Empty,
+                            Summary = tag.Description?.ClearForXml() ?? string.Empty,
                         })
                     ]
                     : [],
diff --git a/src/tests/AutoSDK.IntegrationTests.Cli/CliTests.cs b/src/tests/AutoSDK.IntegrationTests.Cli/CliTests.cs
index 88c74adca9..ddec282139 100644
--- a/src/tests/AutoSDK.IntegrationTests.Cli/CliTests.cs
+++ b/src/tests/AutoSDK.IntegrationTests.Cli/CliTests.cs
@@ -5,8 +5,8 @@ namespace AutoSDK.IntegrationTests;
 [TestClass]
 public class CliTests
 {
-    //[DataTestMethod]
-    //[DataRow("github.yaml")]
+    // [DataTestMethod]
+    // [DataRow("github.yaml")]
     [DataRow("ipinfo.yaml")]
     [DataRow("langsmith.yaml")]
     [DataRow("ollama.yaml")]
@@ -21,6 +21,7 @@ public class CliTests
     [DataRow("https://dedoose-rest-api.onrender.com/swagger/v1/swagger.json")]
     [DataRow("together.yaml")]
     [DataRow("mystic.yaml")]
+    [DataRow("heygen.yaml")]
     public async Task Generate(string spec)
     {
         var tempDirectory = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
@@ -53,6 +54,7 @@ await File.WriteAllTextAsync(Path.Combine(tempDirectory, "Oag.csproj"), @"<Proje
     <LangVersion>preview</LangVersion>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
 
   <PropertyGroup Label=""Analyzers"">