diff --git a/types/revalidator/index.d.ts b/types/revalidator/index.d.ts
index ec172c2be2..1021e1d653 100644
--- a/types/revalidator/index.d.ts
+++ b/types/revalidator/index.d.ts
@@ -36,7 +36,9 @@ declare module Revalidator {
     }
 
     interface JSONSchema<T> {
+        type?: 'object';
         properties?: ISchemas<T>;
+        patternProperties?: ISchemas<T>;
     }
 
     interface ISchemas<T> {
diff --git a/types/revalidator/revalidator-tests.ts b/types/revalidator/revalidator-tests.ts
index d087d19571..0aea1968bf 100644
--- a/types/revalidator/revalidator-tests.ts
+++ b/types/revalidator/revalidator-tests.ts
@@ -35,12 +35,7 @@ revalidator.validate(someObject, {
           properties: {
             title: {
               type: 'string',
-              maxLength: 140,
-              conditions: {
-                optional: function () {
-                  return !this.published;
-                }
-              }
+              maxLength: 140
             },
             date: { type: 'string', format: 'date', messages: { format: "must be a valid %{expected} and nothing else" } },
             body: { type: 'string' },