diff --git a/drivers/infiniband/sw/siw/Kconfig b/drivers/infiniband/sw/siw/Kconfig
index b622fc62f2cd6d4699cb9a1ed6ead9e44cd6bee2..dace276aea1413baa46f292a7e522381c6f00250 100644
--- a/drivers/infiniband/sw/siw/Kconfig
+++ b/drivers/infiniband/sw/siw/Kconfig
@@ -1,6 +1,6 @@
 config RDMA_SIW
 	tristate "Software RDMA over TCP/IP (iWARP) driver"
-	depends on INET && INFINIBAND && LIBCRC32C
+	depends on INET && INFINIBAND && LIBCRC32C && 64BIT
 	select DMA_VIRT_OPS
 	help
 	This driver implements the iWARP RDMA transport over