diff --git a/bsp/lpc824/applications/startup.c b/bsp/lpc824/applications/startup.c
index 137bf75831..35a9784e9f 100644
--- a/bsp/lpc824/applications/startup.c
+++ b/bsp/lpc824/applications/startup.c
@@ -27,7 +27,7 @@
 
 extern int  rt_application_init(void);
 #ifdef RT_USING_FINSH
-extern void finsh_system_init(void);
+extern int finsh_system_init(void);
 extern void finsh_set_device(const char* device);
 #endif