diff --git a/cmds/lshal/PipeRelay.cpp b/cmds/lshal/PipeRelay.cpp
index 3828bbf..87d75ac 100644
--- a/cmds/lshal/PipeRelay.cpp
+++ b/cmds/lshal/PipeRelay.cpp
@@ -78,7 +78,7 @@
 PipeRelay::~PipeRelay() {
     CloseFd(&mFds[1]);
 
-    if (mThread != NULL) {
+    if (mThread != nullptr) {
         mThread->join();
         mThread.clear();
     }