diff --git a/components/finsh/msh.c b/components/finsh/msh.c
index 56ef8a1cb0..6d8b7c78de 100644
--- a/components/finsh/msh.c
+++ b/components/finsh/msh.c
@@ -10,6 +10,7 @@
  * 2017-07-19     Aubr.Cool    limit argc to RT_FINSH_ARG_MAX
  */
 #include <rtthread.h>
+#include <stdlib.h>
 #include <string.h>
 #include <errno.h>