diff --git a/bkctld b/bkctld
index 5aed4ec..d5d68ca 100755
--- a/bkctld
+++ b/bkctld
@@ -16,8 +16,17 @@ set -u
 
 [ "$(id -u)" -ne 0 ] && error "You need to be root to run ${0} !"
 
-[ -d './lib' ] && LIBDIR='lib'
-[ -d '/usr/lib/bkctld' ] && LIBDIR='/usr/lib/bkctld'
+basedir=$(dirname "$0")
+if [ "${basedir}" = "/usr/local/sbin" ] && [ -d "/usr/local/lib/bkctld" ]; then
+    LIBDIR='/usr/local/lib/bkctld'
+elif [ "${basedir}" = "/usr/sbin" ] && [ -d "/usr/lib/bkctld" ]; then
+    LIBDIR='/usr/lib/bkctld'
+elif [ -d './lib' ]; then
+    LIBDIR='lib'
+else
+    error "Failed to find a suitable lib directory for bkctld."
+fi
+
 # shellcheck source=lib/includes
 . "${LIBDIR}/includes"