diff --git a/src/utils.cc b/src/utils.cc
index 67c88cf..bdc5925 100644
--- a/src/utils.cc
+++ b/src/utils.cc
@@ -772,7 +772,7 @@
 #elif defined(__APPLE__) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
   pthread_setname_np(threadName);
 #elif defined(HAVE_PRCTL)
-  prctl(PR_SET_NAME, (unsigned long) s, 0, 0, 0);
+  prctl(PR_SET_NAME, (unsigned long) s, 0, 0, 0);  // NOLINT (unsigned long)
 #else
   UNIMPLEMENTED(WARNING) << threadName;
 #endif