diff --git a/lld/ELF/Symbols.cpp b/lld/ELF/Symbols.cpp
index ee0db43..7c939de 100644
--- a/lld/ELF/Symbols.cpp
+++ b/lld/ELF/Symbols.cpp
@@ -28,6 +28,7 @@
 using namespace lld;
 using namespace lld::elf;
 
+DefinedRegular *ElfSym::Bss;
 DefinedRegular *ElfSym::Etext;
 DefinedRegular *ElfSym::Etext2;
 DefinedRegular *ElfSym::Edata;