diff --git a/scripts/install b/scripts/install
index 2a77f77..62ecfeb 100644
--- a/scripts/install
+++ b/scripts/install
@@ -31,6 +31,14 @@ ynh_app_setting_set "$app" admin "$admin"
 ynh_app_setting_set "$app" is_public "$is_public"
 ynh_app_setting_set "$app" language "$language"
 
+# Fix path if needed
+if [ "${path:0:1}" != "/" ] && [ ${#path} -gt 0 ]; then
+       path="/$path"
+fi
+if [ "${path:${#path}-1}" == "/" ] && [ ${#path} -gt 1 ]; then
+       path="${path:0:${#path}-1}"
+fi
+
 # Check domain/path availability
 sudo yunohost app checkurl "${domain}${path}" -a "$app" \
     || ynh_die "Path not available: ${domain}${path}"
diff --git a/scripts/upgrade b/scripts/upgrade
index 326970a..a54af26 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -39,7 +39,7 @@ sudo chmod 755 -R $src_path/galleries
 
 # Modify Nginx configuration file and copy it to Nginx conf directory
 nginx_conf=../conf/nginx.conf
-sed -i "s@YNH_WWW_PATH@$path@g" $nginx_conf
+sed -i "s@YNH_WWW_PATH@${path%/}@g" $nginx_conf
 sed -i "s@YNH_WWW_ALIAS@$src_path/@g" $nginx_conf
 sudo cp $nginx_conf /etc/nginx/conf.d/$domain.d/$app.conf