diff --git a/libcpu/arm/lpc24xx/interrupt.c b/libcpu/arm/lpc24xx/interrupt.c
index 64609ef06e85f25769fac476e6f9252325c14105..a855de1e114db49580f095c4e9a87636a8b345c2 100644
--- a/libcpu/arm/lpc24xx/interrupt.c
+++ b/libcpu/arm/lpc24xx/interrupt.c
@@ -83,7 +83,7 @@ void rt_hw_interrupt_umask(int vector)
  * @return the old handler
  */
 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;