diff --git a/slapos/recipe/apache/template/stunnel.conf.in b/slapos/recipe/apache/template/stunnel.conf.in
index 325fb986f40924d09f6f377e46bcfc9e497623d2..dccb29d4af2d105c2528f809e3c7581556d9dbfa 100644
--- a/slapos/recipe/apache/template/stunnel.conf.in
+++ b/slapos/recipe/apache/template/stunnel.conf.in
@@ -2,6 +2,7 @@ foreground = yes
 output = %(log)s
 pid = %(pid_file)s
 syslog = no
+client = yes
 CApath = %(ca_path)s
 key = %(key)s
 CRLpath = %(ca_crl)s