diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c
index 98c74fe..6c6771d 100644
--- a/fs/coda/psdev.c
+++ b/fs/coda/psdev.c
@@ -342,7 +342,7 @@
 }
 
 
-static struct file_operations coda_psdev_fops = {
+static const struct file_operations coda_psdev_fops = {
 	.owner		= THIS_MODULE,
 	.read		= coda_psdev_read,
 	.write		= coda_psdev_write,