diff --git a/usr/local/bin/pyarc-gen b/usr/local/bin/pyarc-gen
index c509664..960659a 100644
--- a/usr/local/bin/pyarc-gen
+++ b/usr/local/bin/pyarc-gen
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/share/pyarc-venv/bin/python3
 import sys
 import os
 import configparser
diff --git a/usr/local/bin/pyarc-milter b/usr/local/bin/pyarc-milter
index fb35c4e..74d5d2a 100644
--- a/usr/local/bin/pyarc-milter
+++ b/usr/local/bin/pyarc-milter
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/share/pyarc-venv/bin/python3
 import Milter
 import dkim
 import authres