diff --git a/includes-ros2/poco-vendor/poco-vendor.inc b/includes-ros2/poco-vendor/poco-vendor.inc
index 47c36c3..9ef471f 100644
--- a/includes-ros2/poco-vendor/poco-vendor.inc
+++ b/includes-ros2/poco-vendor/poco-vendor.inc
@@ -1,3 +1,7 @@
 # Copyright (c) 2019 LG Electronics, Inc.
 
+# superflore maps "Boost Software License 1.0" to "Boost-1.0", which is what Gentoo expects, but it's non-standard.
+_LICENSE := "${LICENSE}"
+LICENSE = "${@'${_LICENSE}'.replace('Boost-', 'BSL-')}"
+
 ALLOW_EMPTY_${PN} = "1"