diff --git a/libcpu/ppc/ppc405/interrupt.c b/libcpu/ppc/ppc405/interrupt.c
index dc93dd67a3470104884ba585cf6c2d2e9c625402..27a528e2f0fe8c44f7387f927111639f6329aeda 100644
--- a/libcpu/ppc/ppc405/interrupt.c
+++ b/libcpu/ppc/ppc405/interrupt.c
@@ -79,7 +79,7 @@ void uic_interrupt(rt_uint32_t uic_base, int vec_base)
 }
 
 rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t new_handler, 
-    void* param, char* name)
+    void* param, const char* name)
 {
     int	intVal;
     rt_isr_handler_t old_handler;