diff --git a/lib/domains/de/rh-koeln/ext.txt b/lib/domains/de/rh-koeln/ext.txt
new file mode 100644
index 0000000000..254b8c44e1
--- /dev/null
+++ b/lib/domains/de/rh-koeln/ext.txt
@@ -0,0 +1 @@
+Rheinische Hochschule Köln
\ No newline at end of file