diff --git a/conf/layer.conf b/conf/layer.conf
index 8c423a7..3fc7a3a 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -49,3 +49,4 @@ QT_COMMERCIAL_MODULES ?= "0"
 SPDXLICENSEMAP[GPL-3.0-only] = "GPL-3.0"
 SPDXLICENSEMAP[LGPL-3.0-only] = "LGPL-3.0"
 SPDXLICENSEMAP[GPL-2.0-or-later] = "GPL-2.0"
+SPDXLICENSEMAP[GFDL-1.3-no-invariants-only] = "GFDL-1.3"