diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 3c6a18ad9a87..9c4c710dcccf 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
    SCSI Tape Driver for Linux version 1.1 and newer. See the accompanying
    file Documentation/scsi/st.txt for more information.