diff --git a/gitnexus/src/core/ingestion/tree-sitter-queries.ts b/gitnexus/src/core/ingestion/tree-sitter-queries.ts
index 7eeeb73e0..d7b4e2d7e 100644
--- a/gitnexus/src/core/ingestion/tree-sitter-queries.ts
+++ b/gitnexus/src/core/ingestion/tree-sitter-queries.ts
@@ -282,9 +282,9 @@ export const CSHARP_QUERIES = `
 
 ; Heritage
 (class_declaration name: (identifier) @heritage.class
-  (base_list (simple_base_type (identifier) @heritage.extends))) @heritage
+  (base_list (identifier) @heritage.extends)) @heritage
 (class_declaration name: (identifier) @heritage.class
-  (base_list (simple_base_type (generic_name (identifier) @heritage.extends)))) @heritage
+  (base_list (generic_name (identifier) @heritage.extends))) @heritage
 `;
 
 // Rust queries - works with tree-sitter-rust