diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index cefc2e9..b6f1f4c 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -624,7 +624,7 @@
 
   // Get the type of a ctor entry, { i32, void ()*, i8* }.
   llvm::StructType *CtorStructTy = llvm::StructType::get(
-      Int32Ty, llvm::PointerType::getUnqual(CtorFTy), VoidPtrTy, NULL);
+      Int32Ty, llvm::PointerType::getUnqual(CtorFTy), VoidPtrTy, nullptr);
 
   // Construct the constructor and destructor arrays.
   SmallVector<llvm::Constant*, 8> Ctors;