diff --git a/scripts/install b/scripts/install
index 4fc7964..3fb999f 100644
--- a/scripts/install
+++ b/scripts/install
@@ -61,13 +61,8 @@ ln -s "$data_path/thumbs" "$final_path/thumbs"
 myynh_set_permissions
 
 # configure nginx settings
-if test -n "${path_url:-}"; then
-        if [ "${path_url:-}" != "/" ]; then
-                ynh_replace_string "^#sub_path_only " "" "../conf/nginx.conf"
-                ynh_replace_string "__PATH__" "$path_url" "../conf/nginx.conf"
-        else
-                ynh_replace_string "location\( \(=\|~\|~\*\|\^~\)\)\? __PATH__/" "location\1 $path_url" "../conf/nginx.conf"
-        fi
+if [ "$path_url" != "/" ]; then
+	ynh_replace_string "^#sub_path_only" "" "../conf/nginx.conf"
 fi
 ynh_add_nginx_config
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 0108162..48a4ece 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -47,6 +47,9 @@ rm -R "$TMPDIR"
 myynh_set_permissions
 
 # configure nginx settings
+if [ "$path_url" != "/" ]; then
+	ynh_replace_string "^#sub_path_only" "" "../conf/nginx.conf"
+fi
 ynh_add_nginx_config
 
 # copy and set php-fpm configuration