diff --git a/drivers/macintosh/nvram.c b/drivers/macintosh/nvram.c
index 3079187..b195d75 100644
--- a/drivers/macintosh/nvram.c
+++ b/drivers/macintosh/nvram.c
@@ -100,7 +100,7 @@
 	return 0;
 }
 
-struct file_operations nvram_fops = {
+const struct file_operations nvram_fops = {
 	.owner		= THIS_MODULE,
 	.llseek		= nvram_llseek,
 	.read		= read_nvram,