diff --git a/components/newlib/include/sys/reent.h b/components/newlib/include/sys/reent.h
index ee40961894..b35595a7d4 100644
--- a/components/newlib/include/sys/reent.h
+++ b/components/newlib/include/sys/reent.h
@@ -402,7 +402,7 @@ struct _reent
   char *_asctime_buf;
 
   /* signal info */
-  void (**(_sig_func))(int);
+  void (**_sig_func)(int);
 
 # ifndef _REENT_GLOBAL_ATEXIT
   /* atexit stuff */