diff --git a/lib/Transforms/ObjCARC/ObjCARC.cpp b/lib/Transforms/ObjCARC/ObjCARC.cpp
index 38adfa322df..dceb567d10e 100644
--- a/lib/Transforms/ObjCARC/ObjCARC.cpp
+++ b/lib/Transforms/ObjCARC/ObjCARC.cpp
@@ -21,7 +21,7 @@
 #include "llvm/IR/DataLayout.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/PassManager.h"
-#include "llvm/Support/Commandline.h"
+#include "llvm/Support/CommandLine.h"
 
 using namespace llvm;
 using namespace llvm::objcarc;