diff --git a/hw/phb4.c b/hw/phb4.c
index ed7f4e5c4756..f17625bb6407 100644
--- a/hw/phb4.c
+++ b/hw/phb4.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 /*
  * PHB4: PCI Host Bridge 4, in POWER9
  *
diff --git a/include/phb4.h b/include/phb4.h
index 3dd0a5cffb21..6d5fd5103515 100644
--- a/include/phb4.h
+++ b/include/phb4.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 /* Copyright 2013-2019 IBM Corp. */
 
 #ifndef __PHB4_H
diff --git a/include/platform.h b/include/platform.h
index 671878b929a5..6aa263ae0cdd 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 /* Copyright 2013-2019 IBM Corp. */
 
 #ifndef __PLATFORM_H
diff --git a/platforms/astbmc/romulus.c b/platforms/astbmc/romulus.c
index 2f3a0a44b882..9afb7d3deb47 100644
--- a/platforms/astbmc/romulus.c
+++ b/platforms/astbmc/romulus.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 /* Copyright 2017-2019 IBM Corp. */
 
 #include <skiboot.h>
diff --git a/platforms/astbmc/talos.c b/platforms/astbmc/talos.c
index 55a33859bc54..a5a37d3421bf 100644
--- a/platforms/astbmc/talos.c
+++ b/platforms/astbmc/talos.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 /*
  * Copyright 2017-2019 IBM Corp.
  * Copyright 2018-2019 Raptor Engineering, LLC