diff --git a/src/Linq2GraphQL.Generator/Templates/Scalars/ScalarTemplate.tt.cs b/src/Linq2GraphQL.Generator/Templates/Scalars/ScalarTemplate.tt.cs
index 80bed64..f4bbc1c 100644
--- a/src/Linq2GraphQL.Generator/Templates/Scalars/ScalarTemplate.tt.cs
+++ b/src/Linq2GraphQL.Generator/Templates/Scalars/ScalarTemplate.tt.cs
@@ -18,7 +18,7 @@ public ScalarTemplate(GraphqlType scalarType, string namespaceName)
         }
     
     private string className => scalarType.Name;
-    private string classDescription => scalarType.Description;
+    private string classDescription => scalarType.Description ?? className;