diff --git a/dev-libs/botan/botan-2.18.1-r1.ebuild b/dev-libs/botan/botan-2.18.1-r1.ebuild
index 133a2313d2bc3..0764024db75e5 100644
--- a/dev-libs/botan/botan-2.18.1-r1.ebuild
+++ b/dev-libs/botan/botan-2.18.1-r1.ebuild
@@ -4,7 +4,7 @@
 EAPI=7
 
 PYTHON_COMPAT=( python3_{8,9,10} )
-VERIFY_SIG_OPENPGP_KEY_PATH="/usr/share/openpgp-keys/botan.asc"
+VERIFY_SIG_OPENPGP_KEY_PATH=${BROOT}/usr/share/openpgp-keys/botan.asc
 inherit python-r1 toolchain-funcs verify-sig
 
 MY_P="Botan-${PV}"