diff --git a/domains/sigmacat.json b/domains/sigmacat.json
index cc50abd307..d44d7f5ea7 100644
--- a/domains/sigmacat.json
+++ b/domains/sigmacat.json
@@ -6,5 +6,6 @@
     "CNAME": "sigmacat.pages.dev",
     "MX": ["mx1.improvmx.com", "mx2.improvmx.com"],
     "TXT": ["v=spf1 include:spf.improvmx.com ~all"]
-  }
+  },
+  "proxied": true
 }