diff --git a/tools/lto/LTOCodeGenerator.cpp b/tools/lto/LTOCodeGenerator.cpp
index 1010592..59e8405 100644
--- a/tools/lto/LTOCodeGenerator.cpp
+++ b/tools/lto/LTOCodeGenerator.cpp
@@ -300,8 +300,9 @@
         }
 
         // construct LTModule, hand over ownership of module and target
-        const std::string FeatureStr =
-           SubtargetFeatures::getDefaultSubtargetFeatures(llvm::Triple(Triple));
+        SubtargetFeatures Features;
+        Features.getDefaultSubtargetFeatures("" /* cpu */, llvm::Triple(Triple));
+        std::string FeatureStr = Features.getString();
         _target = march->createTargetMachine(Triple, FeatureStr);
     }
     return false;
diff --git a/tools/lto/LTOModule.cpp b/tools/lto/LTOModule.cpp
index b269e78..0870205 100644
--- a/tools/lto/LTOModule.cpp
+++ b/tools/lto/LTOModule.cpp
@@ -140,8 +140,9 @@
         return NULL;
 
     // construct LTModule, hand over ownership of module and target
-    const std::string FeatureStr = 
-        SubtargetFeatures::getDefaultSubtargetFeatures(llvm::Triple(Triple));
+    SubtargetFeatures Features;
+    Features.getDefaultSubtargetFeatures("" /* cpu */, llvm::Triple(Triple));
+    std::string FeatureStr = Features.getString();
     TargetMachine* target = march->createTargetMachine(Triple, FeatureStr);
     return new LTOModule(m.take(), target);
 }