diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 166ebf81dc45..4f917bdad1e1 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -1138,7 +1138,7 @@ static int disarm_kprobe_ftrace(struct kprobe *p)
 		ipmodify ? &kprobe_ipmodify_enabled : &kprobe_ftrace_enabled);
 }
 
-void kprobe_ftrace_kill()
+void kprobe_ftrace_kill(void)
 {
 	kprobe_ftrace_disabled = true;
 }