diff --git a/hotspot/src/share/vm/c1/c1_LIRGenerator.cpp b/hotspot/src/share/vm/c1/c1_LIRGenerator.cpp
index 298beb78898..e98834d03a5 100644
--- a/hotspot/src/share/vm/c1/c1_LIRGenerator.cpp
+++ b/hotspot/src/share/vm/c1/c1_LIRGenerator.cpp
@@ -79,7 +79,7 @@ void PhiResolverState::reset(int max_vregs) {
 PhiResolver::PhiResolver(LIRGenerator* gen, int max_vregs)
  : _gen(gen)
  , _state(gen->resolver_state())
- , _loop(nullptr)
+ , _loop(NULL)
  , _temp(LIR_OprFact::illegalOpr)
 {
   // reinitialize the shared state arrays