diff --git a/include/rthw.h b/include/rthw.h
index 3fa0ba301c..dee10b0bee 100644
--- a/include/rthw.h
+++ b/include/rthw.h
@@ -92,7 +92,7 @@ void rt_hw_interrupt_umask(int vector);
 rt_isr_handler_t rt_hw_interrupt_install(int              vector,
                                          rt_isr_handler_t handler,
                                          void            *param,
-                                         char            *name);
+                                         const char      *name);
 
 #ifdef RT_USING_SMP
 rt_base_t rt_hw_local_irq_disable();