diff --git a/types/hapi__joi/hapi__joi-tests.ts b/types/hapi__joi/hapi__joi-tests.ts
index 89a459b5b1..7ad8b18905 100644
--- a/types/hapi__joi/hapi__joi-tests.ts
+++ b/types/hapi__joi/hapi__joi-tests.ts
@@ -110,6 +110,7 @@ uriOpts = { scheme: str };
 uriOpts = { scheme: exp };
 uriOpts = { scheme: strArr };
 uriOpts = { scheme: expArr };
+uriOpts = { domain: domainOpts };
 
 // --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
 
diff --git a/types/hapi__joi/index.d.ts b/types/hapi__joi/index.d.ts
index 71b368c548..7a2203bc70 100644
--- a/types/hapi__joi/index.d.ts
+++ b/types/hapi__joi/index.d.ts
@@ -351,7 +351,7 @@ declare namespace Joi {
         /**
          * Validate the domain component using the options specified in `string.domain()`.
          */
-        domain?: boolean;
+        domain?: DomainOptions;
     }
 
     interface DataUriOptions {