diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index 53325ba0a6ae..1ce3c9e5c890 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -228,7 +228,7 @@ module_param(myri10ge_small_bytes, int, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(myri10ge_small_bytes, "Threshold of small packets\n");
 
 static int myri10ge_msi = 1;	/* enable msi by default */
-module_param(myri10ge_msi, int, S_IRUGO);
+module_param(myri10ge_msi, int, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(myri10ge_msi, "Enable Message Signalled Interrupts\n");
 
 static int myri10ge_intr_coal_delay = 25;