diff --git a/color_multi_tool.jinja b/color_multi_tool.jinja
index e007cfe..2bf9ab1 100644
--- a/color_multi_tool.jinja
+++ b/color_multi_tool.jinja
@@ -210,7 +210,7 @@
 {{- out -}}
 {%- else %}
   {#- Input was not valid #}
-{{-['black'] | list | join(',') -}}
+{{- 'black' -}}
 {%- endif -%}
 {% endmacro -%}