diff --git a/libcpu/arm/zynq7000/interrupt.c b/libcpu/arm/zynq7000/interrupt.c
index ce3fbc8dfbd32b9d96880d89d5b0b1f093979d1c..451785523a1eb705e7d5293c6139d50faa4d589c 100644
--- a/libcpu/arm/zynq7000/interrupt.c
+++ b/libcpu/arm/zynq7000/interrupt.c
@@ -112,7 +112,7 @@ void rt_hw_interrupt_umask(int vector)
  * @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;