diff --git a/src/openvpn/tun_afunix.c b/src/openvpn/tun_afunix.c
index c410480..a67a472 100644
--- a/src/openvpn/tun_afunix.c
+++ b/src/openvpn/tun_afunix.c
@@ -61,7 +61,10 @@
 
     argv_printf(&argv, "%s", program);
 
-    tt->afunix.childprocess = openvpn_execve_check(&argv, env, S_NOWAITPID, msgprefix);
+    /* exit when executing fails to easier spot errors here and treat this
+     * command like an external script */
+    int flags = S_NOWAITPID | S_SCRIPT | S_FATAL;
+    tt->afunix.childprocess = openvpn_execve_check(&argv, env, flags, msgprefix);
     if (!openvpn_waitpid_check(tt->afunix.childprocess, msgprefix, M_WARN))
     {
         tt->afunix.childprocess = 0;