diff --git a/src/OrchardCore/OrchardCore.ContentManagement.GraphQL/Queries/ContentItemsFieldType.cs b/src/OrchardCore/OrchardCore.ContentManagement.GraphQL/Queries/ContentItemsFieldType.cs
index e711bece543..408c977361d 100644
--- a/src/OrchardCore/OrchardCore.ContentManagement.GraphQL/Queries/ContentItemsFieldType.cs
+++ b/src/OrchardCore/OrchardCore.ContentManagement.GraphQL/Queries/ContentItemsFieldType.cs
@@ -226,7 +226,7 @@ private static IQuery<ContentItem, ContentItemIndex> FilterContentType(IQuery<Co
                 throw new ArgumentNullException(nameof(context));
             }
 
-            var contentType = ((ListGraphType)(context.FieldDefinition).ResolvedType).ResolvedType.Name;
+            var contentType = context.FieldDefinition.ResolvedType.Name;
             return query.Where(q => q.ContentType == contentType);
         }