diff --git a/ct/headers/invoiceninja b/ct/headers/invoiceninja
new file mode 100644
index 000000000..052ba022f
--- /dev/null
+++ b/ct/headers/invoiceninja
@@ -0,0 +1,6 @@
+    ____                 _           _   ___         _      
+   /  _/___ _   ______  (_)_______  / | / (_)___    (_)___ _
+   / // __ \ | / / __ \/ / ___/ _ \/  |/ / / __ \  / / __ `/
+ _/ // / / / |/ / /_/ / / /__/  __/ /|  / / / / / / / /_/ / 
+/___/_/ /_/|___/\____/_/\___/\___/_/ |_/_/_/ /_/_/ /\__,_/  
+                                              /___/