diff --git a/src/oem/ibm/file_io.c b/src/oem/ibm/file_io.c
index 05b81c6..ba0111a 100644
--- a/src/oem/ibm/file_io.c
+++ b/src/oem/ibm/file_io.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later */
 #include "libpldm/file_io.h"
 #include "base.h"
 #include <endian.h>
diff --git a/src/oem/ibm/host.c b/src/oem/ibm/host.c
index 04ba5f3..c94ee49 100644
--- a/src/oem/ibm/host.c
+++ b/src/oem/ibm/host.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later */
 #include "base.h"
 #include <endian.h>
 #include <stdint.h>
diff --git a/src/oem/ibm/platform.c b/src/oem/ibm/platform.c
index 462f378..3a8b2f8 100644
--- a/src/oem/ibm/platform.c
+++ b/src/oem/ibm/platform.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later */
 #include "libpldm/platform.h"
 #include "libpldm/platform_oem_ibm.h"
 #include <string.h>