diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c
index 8516f4377cfacc5afef54924ecb01ed1ce13d2ea..c85d79614f27343ea2b762bb9cfb0c41e9eaafb4 100644
--- a/drivers/staging/hv/vmbus_drv.c
+++ b/drivers/staging/hv/vmbus_drv.c
@@ -827,7 +827,7 @@ static void __exit hv_pci_exit(void)
 
 MODULE_LICENSE("GPL");
 MODULE_VERSION(HV_DRV_VERSION);
-module_param(vmbus_loglevel, int, S_IRUGO);
+module_param(vmbus_loglevel, int, S_IRUGO|S_IWUSR);
 
 module_init(hv_pci_init);
 module_exit(hv_pci_exit);