diff --git a/package/debian/build-deb.sh b/package/debian/build-deb.sh
index 11f055e5e5..b501622601 100755
--- a/package/debian/build-deb.sh
+++ b/package/debian/build-deb.sh
@@ -105,6 +105,13 @@ export PYTHONPATH="${KINDRED_CREATE_HOME}/lib/python3.11:${KINDRED_CREATE_HOME}/
 export XDG_DATA_DIRS="${KINDRED_CREATE_HOME}/share:${XDG_DATA_DIRS:-/usr/share}"
 export GI_TYPELIB_PATH="${KINDRED_CREATE_HOME}/lib/girepository-1.0:${GI_TYPELIB_PATH:-}"
 
+# XKB keyboard configuration - use bundled data to avoid hardcoded CI paths in libxkbcommon
+export XKB_CONFIG_ROOT="${KINDRED_CREATE_HOME}/share/X11/xkb"
+
+# Fontconfig - use bundled configuration to avoid missing default config
+export FONTCONFIG_FILE="${KINDRED_CREATE_HOME}/etc/fonts/fonts.conf"
+export FONTCONFIG_PATH="${KINDRED_CREATE_HOME}/etc/fonts"
+
 # Use system CA certificates so bundled Python trusts internal CAs (e.g. FreeIPA)
 # The bundled openssl has a hardcoded cafile from the build environment which
 # does not exist on the target system.