diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index 1e6b7c1..8b50af3 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -152,7 +152,7 @@
 	return 0;
 }
 
-static struct block_device_operations DAC960_BlockDeviceOperations = {
+static const struct block_device_operations DAC960_BlockDeviceOperations = {
 	.owner			= THIS_MODULE,
 	.open			= DAC960_open,
 	.getgeo			= DAC960_getgeo,