diff --git a/conf/nginx.conf b/conf/nginx.conf
index a159644..fbcf8b5 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -8,13 +8,13 @@ location __PATH__ {
   }
 
   # Example PHP configuration (remove if not used)
-  index index.php;
+  index index.php /_route.php;;
 
   # Common parameter to increase upload size limit in conjuction with dedicated php-fpm file
   #client_max_body_size 50M;
 
-  try_files $uri $uri/ index.php;
   location ~ [^/]\.php(/|$) {
+    try_files $uri $uri/ index.php /_route.php;
     fastcgi_split_path_info ^(.+?\.php)(/.*)$;
     fastcgi_pass unix:/var/run/php/php7.0-fpm-__NAME__.sock;
     fastcgi_index index.php;
diff --git a/scripts/change_url b/scripts/change_url
index e768040..8b82734 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -37,13 +37,13 @@ old_path=$(ynh_normalize_url_path $old_path)
 change_domain=0
 if [ "$old_domain" != "$new_domain" ]
 then
-	change_domain=1
+  change_domain=1
 fi
 
 change_path=0
 if [ "$old_path" != "$new_path" ]
 then
-	change_path=1
+  change_path=1
 fi
 
 #=================================================
@@ -58,8 +58,6 @@ final_path=/var/www/$app
 # Change the path in the nginx config file
 if [ $change_path -eq 1 ]
 then
-  # ynh_replace_string
-  ynh_replace_string --match_string="const WWW_URI = '$old_path/';" --replace_string="const WWW_URI = '$new_path/';" --target_file="$final_path/config.local.php"
   # Make a backup of the original nginx config file if modified
   ynh_backup_if_checksum_is_different "$nginx_conf_path"
   # Replace locations starting with old_path
@@ -69,6 +67,21 @@ then
   ynh_replace_string "return \([[:digit:]]\{3\}\) $old_path" "return \1 $new_path"  "$nginx_conf_path"
   # Calculate and store the nginx config file checksum
   ynh_store_file_checksum "$nginx_conf_path"
+  # ynh_replace_string
+  if  old_url != "/"
+  then
+      ynh_replace_string --match_string="const WWW_URI = '$old_path/';" --replace_string="const WWW_URI = '$new_path/';" --target_file="$final_path/config.local.php"
+  else
+      ynh_replace_string --match_string="const WWW_URI = '$old_path';" --replace_string="const WWW_URI = '$new_path/';" --target_file="$final_path/config.local.php"
+  fi
+
+  if  new_url != "/"
+  then
+      ynh_replace_string --match_string="const WWW_URI = '$old_path/';" --replace_string="const WWW_URI = '$new_path/';" --target_file="$final_path/config.local.php"
+  else
+      ynh_replace_string --match_string="const WWW_URI = '$old_path/';" --replace_string="const WWW_URI = '$new_path';" --target_file="$final_path/config.local.php"
+  fi
+          
 fi
 
 
@@ -77,10 +90,9 @@ if [ $change_domain -eq 1 ]
 then
   # Delete file checksum for the old conf file location
   ynh_delete_file_checksum "$nginx_conf_path"
-	mv $nginx_conf_path /etc/nginx/conf.d/$new_domain.d/$app.conf
+  mv $nginx_conf_path /etc/nginx/conf.d/$new_domain.d/$app.conf
   # Store file checksum for the new config file location
   ynh_store_file_checksum "/etc/nginx/conf.d/$new_domain.d/$app.conf"
-  # ynh_replace_string
 fi
 
 # GENERIC FINALISATION
diff --git a/scripts/install b/scripts/install
index 7327a06..ccf548f 100644
--- a/scripts/install
+++ b/scripts/install
@@ -88,8 +88,13 @@ cp -a $final_path/config.dist.php $final_path/config.local.php
 
 # ynh_replace_string --match_string="const ROOT = __DIR__;" --replace_string="const ROOT = /var/www/garradin/;" --target_file="$final_path/config.local.php"
 ynh_replace_string --match_string="const PREFER_HTTPS = false;" --replace_string="const PREFER_HTTPS = true;" --target_file="$final_path/config.local.php"
-ynh_replace_string --match_string="//const WWW_URI = '/asso/';" --replace_string="const WWW_URI = '$path_url/';" --target_file="$final_path/config.local.php"
 
+if path_url != "/"
+then
+   ynh_replace_string --match_string="//const WWW_URI = '/asso/';" --replace_string="const WWW_URI = '$path_url/';" --target_file="$final_path/config.local.php"
+else
+   ynh_replace_string --match_string="//const WWW_URI = '/asso/';" --replace_string="const WWW_URI = '$path_url';" --target_file="$final_path/config.local.php"	
+fi
 #=================================================
 # Files owned by user app
 #=================================================