diff --git a/boot/arm-trusted-firmware/arm-trusted-firmware.mk b/boot/arm-trusted-firmware/arm-trusted-firmware.mk
index 9a23e3d336..a7814e534a 100644
--- a/boot/arm-trusted-firmware/arm-trusted-firmware.mk
+++ b/boot/arm-trusted-firmware/arm-trusted-firmware.mk
@@ -5,8 +5,6 @@
 ################################################################################
 
 ARM_TRUSTED_FIRMWARE_VERSION = $(call qstrip,$(BR2_TARGET_ARM_TRUSTED_FIRMWARE_VERSION))
-ARM_TRUSTED_FIRMWARE_LICENSE = BSD-3-Clause
-ARM_TRUSTED_FIRMWARE_LICENSE_FILES = license.rst
 
 ifeq ($(ARM_TRUSTED_FIRMWARE_VERSION),custom)
 # Handle custom ATF tarballs as specified by the configuration
@@ -19,6 +17,10 @@ ARM_TRUSTED_FIRMWARE_SITE_METHOD = git
 else
 # Handle stable official ATF versions
 ARM_TRUSTED_FIRMWARE_SITE = $(call github,ARM-software,arm-trusted-firmware,$(ARM_TRUSTED_FIRMWARE_VERSION))
+# The licensing of custom or from-git versions is unknown.
+# This is valid only for the official v1.4.
+ARM_TRUSTED_FIRMWARE_LICENSE = BSD-3-Clause
+ARM_TRUSTED_FIRMWARE_LICENSE_FILES = license.rst
 endif
 
 ifeq ($(BR2_TARGET_ARM_TRUSTED_FIRMWARE)$(BR2_TARGET_ARM_TRUSTED_FIRMWARE_LATEST_VERSION),y)