diff --git a/software/re6stnet/buildout.hash.cfg b/software/re6stnet/buildout.hash.cfg
index efc3950f2ffbff5543ecbda78c0ab8de72078c2a..a48396ba2d2106e0095a3069d4d8cb93fd3f3a7e 100644
--- a/software/re6stnet/buildout.hash.cfg
+++ b/software/re6stnet/buildout.hash.cfg
@@ -18,7 +18,7 @@ md5sum = 01938aa1683b7994f814fff6d964b9ba
 
 [template-re6stnet]
 filename = instance-re6stnet.cfg.in
-md5sum = bc3a7aebbd15b90309e6bdaffaf9643e
+md5sum = 1dee1b15c4ec19e523038c806d83ee12
 
 [template-apache-conf]
 filename = apache.conf.in
@@ -26,4 +26,4 @@ md5sum = 3d55f7c9c4fc7279f06bfe6313a78a4b
 
 [template-re6st-registry-conf]
 filename = re6st-registry.conf.in
-md5sum = b0f0facfea82a4481f4fb5b0b263e09a
+md5sum = feb4b3318f37414d1bf3d16a03aec93d
diff --git a/software/re6stnet/instance-re6stnet.cfg.in b/software/re6stnet/instance-re6stnet.cfg.in
index e89b02862b76cb1cf3a441abbf8337a8b7948df1..53dee2a06382554b1cd0cb0d82c163a7c2305c0c 100644
--- a/software/re6stnet/instance-re6stnet.cfg.in
+++ b/software/re6stnet/instance-re6stnet.cfg.in
@@ -66,7 +66,6 @@ post = test ! -s ${apache-conf:pid-file} || {{ bin_directory }}/slapos-kill --pi
 [re6st-registry-conf-dict]
 port = 9201
 ipv4 = {{ ipv4 }}
-ipv6 = {{ ipv6 }}
 db = ${re6stnet-dirs:data}/registry.db
 ca = ${re6stnet-dirs:ssl}/re6stnet.crt
 key = ${re6stnet-dirs:ssl}/re6stnet.key
diff --git a/software/re6stnet/re6st-registry.conf.in b/software/re6stnet/re6st-registry.conf.in
index ee45694baf26e541bcfbe2a643b45cec068b986a..8b70cf7716c3b9950a82bfa413114fd3f25d9035 100644
--- a/software/re6stnet/re6st-registry.conf.in
+++ b/software/re6stnet/re6st-registry.conf.in
@@ -1,7 +1,7 @@
 port  {{ parameter_dict['port'] }}
 4  {{ parameter_dict['ipv4'] }}
 authorized-origin  {{ parameter_dict['ipv4'] }}
-# 6  {{ parameter_dict['ipv6'] }}
+6  ''
 db  {{ parameter_dict['db'] }}
 ca  {{ parameter_dict['ca'] }}
 key  {{ parameter_dict['key'] }}