diff --git a/linker/linker.h b/linker/linker.h
index f8640a0..e4681eb 100644
--- a/linker/linker.h
+++ b/linker/linker.h
@@ -309,6 +309,10 @@
   size_t strtab_size_;
 
   // version >= 2
+
+  size_t gnu_nbucket_;
+  uint32_t* gnu_bucket_;
+  uint32_t* gnu_chain_;
   uint32_t gnu_maskwords_;
   uint32_t gnu_shift2_;
   ElfW(Addr)* gnu_bloom_filter_;