diff --git a/espeak-ng-data/lang/art/io b/espeak-ng-data/lang/art/io
new file mode 100644
index 00000000..3ff6b53b
--- /dev/null
+++ b/espeak-ng-data/lang/art/io
@@ -0,0 +1,4 @@
+name ido
+language io
+phonemes eo
+status testing