diff --git a/scst/README b/scst/README
index 32e66aa17..6a87e55ab 100644
--- a/scst/README
+++ b/scst/README
@@ -660,4 +660,7 @@ Thanks to:
 
  * Terry Greeniaus <tgreeniaus@yottayotta.com> for fixes.
 
+ * Jianxi Chen <pacers@users.sourceforge.net> for fixing problems with
+   devices >2TB in size
+
 Vladislav Bolkhovitin <vst@vlnb.net>, http://scst.sourceforge.net
diff --git a/scst/src/dev_handlers/scst_vdisk.c b/scst/src/dev_handlers/scst_vdisk.c
index 0469d1ea5..879db6a0e 100644
--- a/scst/src/dev_handlers/scst_vdisk.c
+++ b/scst/src/dev_handlers/scst_vdisk.c
@@ -713,9 +713,10 @@ static int vdisk_do_job(struct scst_cmd *cmd)
 		lba_start |= ((u64)cdb[3]) << 48;
 		lba_start |= ((u64)cdb[4]) << 40;
 		lba_start |= ((u64)cdb[5]) << 32;
-		lba_start |= ((u64)cdb[6]) << 16;
-		lba_start |= ((u64)cdb[7]) << 8;
-		lba_start |= ((u64)cdb[8]);
+		lba_start |= ((u64)cdb[6]) << 24;
+		lba_start |= ((u64)cdb[7]) << 16;
+		lba_start |= ((u64)cdb[8]) << 8;
+		lba_start |= ((u64)cdb[9]);
 		data_len = cmd->bufflen;
 		break;
 	}