diff --git a/tools/nxstyle.c b/tools/nxstyle.c
index 008d312600d..f22a55a9c89 100644
--- a/tools/nxstyle.c
+++ b/tools/nxstyle.c
@@ -275,6 +275,12 @@ static const char *g_white_list[] =
   "StackBase",
   "StackSize",
 
+  /* Ref:
+   * drivers/segger/syslog_rtt.c
+   */
+
+  "SEGGER_RTT",
+
   /* Ref:
    * fs/nfs/rpc.h
    * fs/nfs/nfs_proto.h