diff --git a/scripts/_common.sh b/scripts/_common.sh
index d03da3a..7b169ab 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -19,6 +19,7 @@ function setup_sources {
 	fi
 
 	ynh_setup_source --source_id="client" --dest_dir="$install_dir/downloads"
+	ynh_exec_warn ls -lah "$install_dir/downloads"
 	mv "$install_dir/downloads/guacamole.war" "$install_dir/var/lib/tomcat9/webapps/$tomcat_guac_dir.war"
 
 	mkdir -p "$install_dir/etc/guacamole/extensions"