diff --git a/drivers/staging/zcache/Kconfig b/drivers/staging/zcache/Kconfig
index 73582705e8c5bc71081494a7e4481b7eb36d42e8..5c3714530961c5ede430f7745706d24c833781ce 100644
--- a/drivers/staging/zcache/Kconfig
+++ b/drivers/staging/zcache/Kconfig
@@ -15,7 +15,7 @@ config RAMSTER
 	depends on CONFIGFS_FS=y && SYSFS=y && !HIGHMEM && ZCACHE=y
 	depends on NET
 	# must ensure struct page is 8-byte aligned
-	select HAVE_ALIGNED_STRUCT_PAGE if !64_BIT
+	select HAVE_ALIGNED_STRUCT_PAGE if !64BIT
 	default n
 	help
 	  RAMster allows RAM on other machines in a cluster to be utilized