diff --git a/conf/ice-servers.json b/conf/ice-servers.json
index da2c5d5..320489d 100644
--- a/conf/ice-servers.json
+++ b/conf/ice-servers.json
@@ -2,33 +2,10 @@
     {
         "urls": [
             "turn:__DOMAIN__:__TLS_PORT__",
-            "turn:__DOMAIN__:__TLS_PORT__?transport=tcp"
-        ],
-        "username": "__APP__",
-        "credential": "__TURNPWD__",
-        "credentialType": "hmac-sha1"
-    },
-    {
-        "urls": [
-            "turn:__DOMAIN__:__TLS_ALT_PORT__",
-            "turn:__DOMAIN__:__TLS_ALT_PORT__?transport=tcp"
-        ],
-        "username": "__APP__",
-        "credential": "__TURNPWD__",
-        "credentialType": "hmac-sha1"
-    },
-    {
-        "urls": [
-            "turn:__DOMAIN__:__TLS_PORT__",
-            "turn:__DOMAIN__:__TLS_PORT__?transport=udp"
-        ],
-        "username": "__APP__",
-        "credential": "__TURNPWD__",
-        "credentialType": "hmac-sha1"
-    },
-    {
-        "urls": [
             "turn:__DOMAIN__:__TLS_ALT_PORT__",
+            "turn:__DOMAIN__:__TLS_PORT__?transport=tcp",
+            "turn:__DOMAIN__:__TLS_ALT_PORT__?transport=tcp",
+            "turn:__DOMAIN__:__TLS_PORT__?transport=udp",
             "turn:__DOMAIN__:__TLS_ALT_PORT__?transport=udp"
         ],
         "username": "__APP__",
diff --git a/scripts/install b/scripts/install
index 00236b0..ab2463f 100755
--- a/scripts/install
+++ b/scripts/install
@@ -209,7 +209,7 @@ cp ../conf/passwd $final_path/data/passwd
 ynh_replace_string --match_string=__ADMIN__ --replace_string=$admin --target_file="$final_path/data/passwd"
 ynh_replace_string --match_string=__PASSWORD__ --replace_string=$password --target_file="$final_path/data/passwd"
 
-mv -f $final_path/groups/groupname.json $final_path/groups/$group_name.json
+mv $final_path/groups/groupname.json $final_path/groups/$group_name.json
 
 ynh_replace_string --match_string=__ADMIN__ --replace_string=$admin --target_file="$final_path/groups/$group_name.json"
 ynh_replace_string --match_string=__PASSWORD__ --replace_string=$password --target_file="$final_path/groups/$group_name.json"