diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index faeb1452cc2d..13c1288b04a7 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -115,6 +115,9 @@ static void cifs_debug_tcon(struct seq_file *m, struct cifs_tcon *tcon)
 		seq_puts(m, " type: CDROM ");
 	else
 		seq_printf(m, " type: %d ", dev_type);
+
+	seq_printf(m, "Serial Number: 0x%x", tcon->vol_serial_number);
+
 	if ((tcon->seal) ||
 	    (tcon->ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA) ||
 	    (tcon->share_flags & SHI1005_FLAGS_ENCRYPT_DATA))