diff --git a/guacamole-ext/src/main/resources/org/apache/guacamole/protocols/rdp.json b/guacamole-ext/src/main/resources/org/apache/guacamole/protocols/rdp.json
index 0ee95ae1a..1d751fdea 100644
--- a/guacamole-ext/src/main/resources/org/apache/guacamole/protocols/rdp.json
+++ b/guacamole-ext/src/main/resources/org/apache/guacamole/protocols/rdp.json
@@ -91,6 +91,7 @@
                     "type"    : "ENUM",
                     "options" : [
                         "",
+                        "ch-de-qwertz",
                         "de-de-qwertz",
                         "en-gb-qwerty",
                         "en-us-qwerty",