1 files changed, 1 insertions, 1 deletions
diff --git a/src/trace/trace.h b/src/trace/trace.h
index b6b7684d0..790298261 100644
--- a/src/trace/trace.h
+++ b/src/trace/trace.h
@@ -167,7 +167,7 @@ public:
      */
     Tracer()
         {
-        engine       = NULL;
+        engine       = nullptr;
         sioxEnabled  = false;
         }