diff --git a/fs/smb/client/cifssmb.c b/fs/smb/client/cifssmb.c
index 19f7385abeecc..9dee267f18938 100644
--- a/fs/smb/client/cifssmb.c
+++ b/fs/smb/client/cifssmb.c
@@ -3184,7 +3184,7 @@ int cifs_do_set_acl(const unsigned int xid, struct cifs_tcon *tcon,
 	param_offset = offsetof(struct smb_com_transaction2_spi_req,
 				InformationLevel) - 4;
 	offset = param_offset + params;
-	parm_data = ((char *) &pSMB->hdr.Protocol) + offset;
+	parm_data = ((char *)pSMB) + sizeof(pSMB->hdr.smb_buf_length) + offset;
 	pSMB->ParameterOffset = cpu_to_le16(param_offset);
 
 	/* convert to on the wire format for POSIX ACL */