diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 5a0c27b..2b57a68 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -353,7 +353,7 @@
     //   - spare pointer, used when mapped by the runtime
     //   - pointer to mangled symbol above with initializer
     unsigned PtrSize = TD->getPointerSizeInBits()/8;
-    OutStreamer.EmitSymbolValue(GetExternalSymbolSymbol("__tlv_bootstrap"),
+    OutStreamer.EmitSymbolValue(GetExternalSymbolSymbol("_tlv_bootstrap"),
                           PtrSize, 0);
     OutStreamer.EmitIntValue(0, PtrSize, 0);
     OutStreamer.EmitSymbolValue(MangSym, PtrSize, 0);
diff --git a/test/CodeGen/X86/tls-1.ll b/test/CodeGen/X86/tls-1.ll
index 5f6cbe0..de694d8 100644
--- a/test/CodeGen/X86/tls-1.ll
+++ b/test/CodeGen/X86/tls-1.ll
@@ -7,13 +7,13 @@
 ; CHECK:        .section        __DATA,__thread_vars,thread_local_variables
 ; CHECK:        .globl  _a
 ; CHECK: _a:
-; CHECK:        .quad   ___tlv_bootstrap
+; CHECK:        .quad   __tlv_bootstrap
 ; CHECK:        .quad   0
 ; CHECK:        .quad   _a$tlv$init
 
 ; CHECK: .tbss _b$tlv$init, 4, 2
 ; CHECK:        .globl  _b
 ; CHECK: _b:
-; CHECK:        .quad   ___tlv_bootstrap
+; CHECK:        .quad   __tlv_bootstrap
 ; CHECK:        .quad   0
 ; CHECK:        .quad   _b$tlv$init