diff --git a/libcpu/arm/lpc214x/cpuport.c b/libcpu/arm/lpc214x/cpuport.c
index d5c1c5dce6ad200861b0afb5e0160e8a0f3a6c24..2543a5e0a9e191fa653216cb29ebfbf9d4cff5ec 100644
--- a/libcpu/arm/lpc214x/cpuport.c
+++ b/libcpu/arm/lpc214x/cpuport.c
@@ -137,7 +137,7 @@ void rt_hw_interrupt_umask(int vector)
  * @return 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;