diff --git a/kern/libkern/panic.c b/kern/libkern/panic.c
index 4f451b5..75bc89a 100644
--- a/kern/libkern/panic.c
+++ b/kern/libkern/panic.c
@@ -1,7 +1,6 @@
 #include "stdbool.h"
 #include <mini-printf.h>
 #include <stdarg.h>
-#include <stddef.h>
 #include <stdio.h>
 #include <uart.h>
 
diff --git a/kern/libkern/panic.h b/kern/libkern/panic.h
index 4d486e1..4f2e3f4 100644
--- a/kern/libkern/panic.h
+++ b/kern/libkern/panic.h
@@ -1,7 +1,7 @@
 #ifndef KERNEL_PANIC_H
 #define KERNEL_PANIC_H
 
-#define PANIC(fmt, ...) __panic("[%s:%d %s] \n" fmt, __FILE__, __LINE__, __func__)
+#define PANIC(fmt, ...) __panic("[Panic @ %s:%d %s] " fmt, __FILE__, __LINE__, __func__, ##__VA_ARGS__)
 
 void __panic(const char *restrict fmt, ...);