diff --git a/etc/paludis/hooks/set_portdir.bash b/etc/paludis/hooks/set_portdir.bash
index d9f7868..0a6f457 100644
--- a/etc/paludis/hooks/set_portdir.bash
+++ b/etc/paludis/hooks/set_portdir.bash
@@ -2,7 +2,7 @@
 
 # set PORTDIR
 
-PORTDIR="$(cave print-repository-metadata --raw-name location gentoo)"
+PORTDIR="$(${CAVE} print-repository-metadata --raw-name location gentoo)"
 PORTDIR=${PORTDIR#location=}
 
 if [[ -z ${PORTDIR} || "$(dirname ${PORTDIR})" == "/" ]] ; then