diff --git a/scripts/install b/scripts/install
index 72164c5..cea7d43 100755
--- a/scripts/install
+++ b/scripts/install
@@ -233,7 +233,10 @@ ynh_use_logrotate --logfile "/var/log/$app"
 # WARNING : theses command are used in INSTALL, UPGRADE
 # For any update do it in all files
 
-ynh_add_config --template="../sources/Coturn_config_rotate.sh" --destination="$final_path/Coturn_config_rotate.sh"
+cp ../sources/Coturn_config_rotate.sh $final_path/Coturn_config_rotate.sh
+ynh_replace_string --match_string=__APP__ --replace_string=$app --target_file="$final_path/Coturn_config_rotate.sh"
+ynh_replace_string --match_string=__IPV4__ --replace_string=$public_ip4 --target_file="$final_path/Coturn_config_rotate.sh"
+ynh_replace_string --match_string=__IPV6__ --replace_string=$public_ip6 --target_file="$final_path/Coturn_config_rotate.sh"
 chmod +x $final_path/Coturn_config_rotate.sh
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 5907cf5..2e97ba2 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -201,7 +201,10 @@ ynh_store_file_checksum --file="$coturn_config_path"
 # WARNING : theses command are used in INSTALL, UPGRADE
 # For any update do it in all files
 
-ynh_add_config --template="../sources/Coturn_config_rotate.sh" --destination="$final_path/Coturn_config_rotate.sh"
+cp ../sources/Coturn_config_rotate.sh $final_path/Coturn_config_rotate.sh
+ynh_replace_string --match_string=__APP__ --replace_string=$app --target_file="$final_path/Coturn_config_rotate.sh"
+ynh_replace_string --match_string=__IPV4__ --replace_string=$public_ip4 --target_file="$final_path/Coturn_config_rotate.sh"
+ynh_replace_string --match_string=__IPV6__ --replace_string=$public_ip6 --target_file="$final_path/Coturn_config_rotate.sh"
 chmod +x $final_path/Coturn_config_rotate.sh
 
 #=================================================