diff --git a/containers_cpp/test/hazard_pointer_test.cc b/containers_cpp/test/hazard_pointer_test.cc
index acbf99e..ab2666c 100644
--- a/containers_cpp/test/hazard_pointer_test.cc
+++ b/containers_cpp/test/hazard_pointer_test.cc
@@ -97,7 +97,7 @@ void HazardPointerTest::HazardPointerTest1_ThreadMethod() {
 
     PT_ASSERT(success == true);
 
-    embb::base::Atomic<int>* allocated_object_from_different_thread(NULL);
+    embb::base::Atomic<int>* allocated_object_from_different_thread(0);
 
     int diff_count = 0;