diff --git a/domains/cx.is_cool.dev.json b/domains/cx.is-cool.dev.json
similarity index 94%
rename from domains/cx.is_cool.dev.json
rename to domains/cx.is-cool.dev.json
index dadc2bda..a7eed8b6 100644
--- a/domains/cx.is_cool.dev.json
+++ b/domains/cx.is-cool.dev.json
@@ -13,4 +13,4 @@
     },
 
     "proxied": true
-}
\ No newline at end of file
+}