diff --git a/src/northbridge/intel/e7505/Makefile.inc b/src/northbridge/intel/e7505/Makefile.inc
index 29ac437..44a056b 100644
--- a/src/northbridge/intel/e7505/Makefile.inc
+++ b/src/northbridge/intel/e7505/Makefile.inc
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
 ifeq ($(CONFIG_NORTHBRIDGE_INTEL_E7505),y)
 
 ramstage-y += northbridge.c