diff --git a/lib/CodeGen/BackendUtil.cpp b/lib/CodeGen/BackendUtil.cpp
index 8bd67ba..bb44d14 100644
--- a/lib/CodeGen/BackendUtil.cpp
+++ b/lib/CodeGen/BackendUtil.cpp
@@ -305,8 +305,8 @@
     TM->setMCSaveTempLabels(true);
   if (CodeGenOpts.NoDwarf2CFIAsm)
     TM->setMCUseCFI(false);
-  if (CodeGenOpts.NoDwarfDirectoryAsm)
-    TM->setMCUseDwarfDirectory(false);
+  if (!CodeGenOpts.NoDwarfDirectoryAsm)
+    TM->setMCUseDwarfDirectory(true);
   if (CodeGenOpts.NoExecStack)
     TM->setMCNoExecStack(true);