diff --git a/SystemExtensions.NetStandard.Generators/NotifyPropertyChangedGenerator.cs b/SystemExtensions.NetStandard.Generators/NotifyPropertyChangedGenerator.cs
index 78703ae..2a017b0 100644
--- a/SystemExtensions.NetStandard.Generators/NotifyPropertyChangedGenerator.cs
+++ b/SystemExtensions.NetStandard.Generators/NotifyPropertyChangedGenerator.cs
@@ -150,7 +150,7 @@ public class NotifyPropertyChangedGenerator : IIncrementalGenerator
                 }
             }
 
-            var fileSource = generatedSyntax.ToFullString();
+            var fileSource = $"#nullable enable\n{generatedSyntax.ToFullString()}\n#nullable disable";
             sourceProductionContext.AddSource($"{className}.g", fileSource);
         }
     }
diff --git a/SystemExtensions.NetStandard.Generators/SystemExtensions.NetStandard.Generators.csproj b/SystemExtensions.NetStandard.Generators/SystemExtensions.NetStandard.Generators.csproj
index 65f4ba1..7a454eb 100644
--- a/SystemExtensions.NetStandard.Generators/SystemExtensions.NetStandard.Generators.csproj
+++ b/SystemExtensions.NetStandard.Generators/SystemExtensions.NetStandard.Generators.csproj
@@ -5,7 +5,7 @@
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Authors>Alexandru Macocian</Authors>
     <Description>Source generators extensions for netstandard2.0.</Description>
-    <Version>0.1.5</Version>
+    <Version>0.1.6</Version>
     <LangVersion>latest</LangVersion>
     <EnableNETAnalyzers>true</EnableNETAnalyzers>
     <EnforceExtendedAnalyzerRules>true</EnforceExtendedAnalyzerRules>