diff --git a/libcpu/arm/arm926/trap.c b/libcpu/arm/arm926/trap.c
index c1b1ffe912..a1458f9bdf 100644
--- a/libcpu/arm/arm926/trap.c
+++ b/libcpu/arm/arm926/trap.c
@@ -140,7 +140,7 @@ void rt_hw_trap_pabt(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("prefetch abort\n");
-    rt_kprintf("thread - %s stack:\n", RT_NAME_MAX, rt_current_thread->name);
+    rt_kprintf("thread - %.*s stack:\n", RT_NAME_MAX, rt_current_thread->name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();
@@ -168,7 +168,7 @@ void rt_hw_trap_dabt(struct rt_hw_register *regs)
     rt_hw_show_register(regs);
 
     rt_kprintf("data abort\n");
-    rt_kprintf("thread - %s stack:\n", RT_NAME_MAX, rt_current_thread->name);
+    rt_kprintf("thread - %.*s stack:\n", RT_NAME_MAX, rt_current_thread->name);
 
 #if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
     list_thread();