diff --git a/types/mongodb/index.d.ts b/types/mongodb/index.d.ts
index cb96bc1b83..51375d1573 100644
--- a/types/mongodb/index.d.ts
+++ b/types/mongodb/index.d.ts
@@ -1756,7 +1756,7 @@ export class Cursor<T = Default> extends Readable {
     /** http://mongodb.github.io/node-mongodb-native/3.1/api/Cursor.html#map */
     map<U>(transform: (document: T) => U): Cursor<U>;
     /** http://mongodb.github.io/node-mongodb-native/3.1/api/Cursor.html#max */
-    max(max: number): Cursor<T>;
+    max(max: object): Cursor<T>;
     /** http://mongodb.github.io/node-mongodb-native/3.1/api/Cursor.html#maxAwaitTimeMS */
     maxAwaitTimeMS(value: number): Cursor<T>;
     /** http://mongodb.github.io/node-mongodb-native/3.1/api/Cursor.html#maxScan */
@@ -1764,7 +1764,7 @@ export class Cursor<T = Default> extends Readable {
     /** http://mongodb.github.io/node-mongodb-native/3.1/api/Cursor.html#maxTimeMS */
     maxTimeMS(value: number): Cursor<T>;
     /** http://mongodb.github.io/node-mongodb-native/3.1/api/Cursor.html#min */
-    min(min: number): Cursor<T>;
+    min(min: object): Cursor<T>;
     /** http://mongodb.github.io/node-mongodb-native/3.1/api/Cursor.html#next */
     next(): Promise<T | null>;
     next(callback: MongoCallback<T | null>): void;
diff --git a/types/mongodb/mongodb-tests.ts b/types/mongodb/mongodb-tests.ts
index b6b539ef9d..9f91486963 100644
--- a/types/mongodb/mongodb-tests.ts
+++ b/types/mongodb/mongodb-tests.ts
@@ -106,8 +106,8 @@ mongodb.MongoClient.connect(connectionString, options, (err: mongodb.MongoError,
         cursor = cursor.hint('age_1');
         cursor = cursor.limit(1);
         cursor = cursor.map((result) => {});
-        cursor = cursor.max(1);
-        cursor = cursor.min(1);
+        cursor = cursor.max({ age: 130 });
+        cursor = cursor.min({ age: 18 });
         cursor = cursor.maxAwaitTimeMS(1);
         cursor = cursor.maxScan({});
         cursor = cursor.maxTimeMS(1);