diff --git a/block/Kconfig b/block/Kconfig
index da12f2649cc..1d16b08e150 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -53,9 +53,10 @@ endif # BLOCK
 
 config BLK_DEV_BSG
 	bool "Block layer SG support"
+	depends on SCSI && EXPERIMENTAL
 	default y
 	---help---
-	Saying Y here will enable generic SG (SCSI generic) v3
+	Saying Y here will enable generic SG (SCSI generic) v4
 	support for any block device.
 
 source block/Kconfig.iosched