diff --git a/scripts/install b/scripts/install
index 5e801ee..9726a7c 100644
--- a/scripts/install
+++ b/scripts/install
@@ -35,6 +35,8 @@ else
     path_url2=$path_url"/"
 fi
 
+ynh_apt install pkgconf
+
 # Register (book) web path
 ynh_webpath_register --app $app --domain $domain --path_url $path_url