diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c
index ce830fe3a362e1999c6340fc8f7e64c693583058..511a830b6256f03b00d708f08dcaf8fd24e8084f 100644
--- a/drivers/ata/pata_ali.c
+++ b/drivers/ata/pata_ali.c
@@ -36,7 +36,7 @@
 #define DRV_NAME "pata_ali"
 #define DRV_VERSION "0.7.5"
 
-int ali_atapi_dma = 0;
+static int ali_atapi_dma = 0;
 module_param_named(atapi_dma, ali_atapi_dma, int, 0644);
 MODULE_PARM_DESC(atapi_dma, "Enable ATAPI DMA (0=disable, 1=enable)");