diff --git a/llvm/lib/CodeGen/PostRASchedulerList.cpp b/llvm/lib/CodeGen/PostRASchedulerList.cpp
index 5bea9f2893c9..9ba4a8744cfa 100644
--- a/llvm/lib/CodeGen/PostRASchedulerList.cpp
+++ b/llvm/lib/CodeGen/PostRASchedulerList.cpp
@@ -77,7 +77,7 @@ AntiDepBreaker::~AntiDepBreaker() { }
 
 namespace {
   class PostRAScheduler : public MachineFunctionPass {
-    const TargetInstrInfo *TII;
+    const TargetInstrInfo *TII = nullptr;
     RegisterClassInfo RegClassInfo;
 
   public: