diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index ca5229d..f55c9e7 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -54,7 +54,7 @@
 	AHCI_MAX_PORTS		= 32,
 	AHCI_MAX_SG		= 168, /* hardware max is 64K */
 	AHCI_DMA_BOUNDARY	= 0xffffffff,
-	AHCI_USE_CLUSTERING	= 0,
+	AHCI_USE_CLUSTERING	= 1,
 	AHCI_MAX_CMDS		= 32,
 	AHCI_CMD_SZ		= 32,
 	AHCI_CMD_SLOT_SZ	= AHCI_MAX_CMDS * AHCI_CMD_SZ,