diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 0c76d4016eebebf5525fc4a2aa5351319674dca5..9d53358571916933ac5c7529a81a68ed86da26eb 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -443,8 +443,8 @@ static int rd_nr = CONFIG_BLK_DEV_RAM_COUNT;
 module_param(rd_nr, int, S_IRUGO);
 MODULE_PARM_DESC(rd_nr, "Maximum number of brd devices");
 
-int rd_size = CONFIG_BLK_DEV_RAM_SIZE;
-module_param(rd_size, int, S_IRUGO);
+unsigned long rd_size = CONFIG_BLK_DEV_RAM_SIZE;
+module_param(rd_size, ulong, S_IRUGO);
 MODULE_PARM_DESC(rd_size, "Size of each RAM disk in kbytes.");
 
 static int max_part = 1;