diff --git a/src/EntityFrameworkCore.Projectables.Generator/ProjectionExpressionGenerator.cs b/src/EntityFrameworkCore.Projectables.Generator/ProjectionExpressionGenerator.cs
index e96ef37..d164807 100644
--- a/src/EntityFrameworkCore.Projectables.Generator/ProjectionExpressionGenerator.cs
+++ b/src/EntityFrameworkCore.Projectables.Generator/ProjectionExpressionGenerator.cs
@@ -158,7 +158,7 @@ public static class {generatedClassName}
 }}");
 
 
-                context.AddSource($"{generatedClassName}_Generated", SourceText.From(resultBuilder.ToString(), Encoding.UTF8));
+                context.AddSource($"{generatedClassName}.g.cs", SourceText.From(resultBuilder.ToString(), Encoding.UTF8));
             }
         }