diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 74f4924..d375b79 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -443,8 +443,8 @@
 		buf = phys_to_virt(alloc);
 		*new_logbuf = buf;
 		new_logbits = (void*)buf + size;
-		printk(KERN_INFO "printk_persist: memory reserved @ 0x%08llx\n",
-			alloc);
+		printk(KERN_INFO "printk_persist: memory reserved @ %pa\n",
+			&alloc);
 		if ((new_logbits->magic != PERSIST_MAGIC) ||
 		    (new_logbits->_log_buf_len != size) ||
 			(new_logbits->_log_first_seq >