diff --git a/include/nuttx/list.h b/include/nuttx/list.h
index 182cb4fcb3..3435964edc 100644
--- a/include/nuttx/list.h
+++ b/include/nuttx/list.h
@@ -78,7 +78,7 @@
     }\
   else\
     {\
-    _  _t = (type *)0;\
+      __t = (type *)0;\
     }\
 \
   __t;\