diff --git a/config/sys.config b/config/sys.config
index 5633f8b..f9a93dd 100644
--- a/config/sys.config
+++ b/config/sys.config
@@ -1,27 +1,27 @@
 [
   {epp_proxy, [
-               # Enables or disable TCP connections without TLS (true/false)
+               %% Enables or disable TCP connections without TLS (true/false)
                {dev_mode, false},
-               # TCP port, only available if dev_mode is set to true.
+               %% TCP port, only available if dev_mode is set to true.
                {tcp_port, 1700},
-               # TLS port, specified in RFC to 700, but can be set to anything else
-               # in case that is needed.
+               %% TLS port, specified in RFC to 700, but can be set to anything else
+               %% in case that is needed.
                {tls_port, 700},
-               # URL of EPP endpoints. Can be pointed at a web server (Apache/NGINX)
-               # Can contain port (https://some-host:3000/epp/session)
-               # Honors the prepended protocol (http / https).
+               %% URL of EPP endpoints. Can be pointed at a web server (Apache/NGINX)
+               %% Can contain port (https://some-host:3000/epp/session)
+               %% Honors the prepended protocol (http / https).
                {epp_session_url, "https://registry.test/epp/session/"},
                {epp_command_url, "https://registry.test/epp/command/"},
                {epp_error_url, "https://registry.test/epp/error/"},
-               # Path to root CA that should check the client certificates.
+               %% Path to root CA that should check the client certificates.
                {cacertfile_path, "/opt/shared/ca/certs/ca.crt.pem"},
-               # Path to server's certficate file.
+               %% Path to server's certficate file.
                {certfile_path, "/opt/shared/ca/certs/cert.pem"},
 
-               # Path to server's key file.
+               %% Path to server's key file.
                {keyfile_path, "/opt/shared/ca/certs/key.pem"},
 
-               # Path to CRL file.
+               %% Path to CRL file.
                {crlfile_path, "/opt/shared/ca/certs/key.pem"}]},
   {lager, [
     {handlers, [
diff --git a/rebar.config b/rebar.config
index 512c3ad..5ad6e3a 100644
--- a/rebar.config
+++ b/rebar.config
@@ -15,7 +15,8 @@
         {sys_config, "./config/sys.config"},
         {vm_args, "./config/vm.args"},
 
-        {include_erts, true}]
+        {include_erts, true},
+        {extended_start_script, true}]
 }.
 
 {profiles, [{prod, [{relx, [{dev_mode, false},