diff --git a/libcpu/unicore32/sep6200/interrupt.c b/libcpu/unicore32/sep6200/interrupt.c
index 5d088f788a..31078320ea 100644
--- a/libcpu/unicore32/sep6200/interrupt.c
+++ b/libcpu/unicore32/sep6200/interrupt.c
@@ -199,7 +199,7 @@ void rt_hw_interrupt_umask(int irq)
  * @param old_handler the old interrupt service routine
  */
 rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
-                                        void *param, char *name)
+                                        void *param, const char *name)
 {
     rt_isr_handler_t old_handler = RT_NULL;