diff --git a/doc/apidoc.js b/doc/apidoc.js
index 8defde966a..bafd82629d 100644
--- a/doc/apidoc.js
+++ b/doc/apidoc.js
@@ -1662,7 +1662,7 @@ github.issues.removeAllLabels({ ... });
  * @apiParam {String} user  
  * @apiParam {String} repo  
  * @apiParam {Number} number  
- * @apiParam {Array} assignees  Logins for the users that should be removed from the issue.
+ * @apiParam {Json} body  JSON object that contains assignees array of logins for the users that should be removed from the issue.
  * @apiExample {js} ex:
 github.issues.removeAssigneesFromIssue({ ... });
  */
diff --git a/lib/routes.json b/lib/routes.json
index cc7ed7210e..740d054ec0 100644
--- a/lib/routes.json
+++ b/lib/routes.json
@@ -2036,12 +2036,13 @@
                 "$user": null,
                 "$repo": null,
                 "$number": null,
-                "assignees": {
-                    "type": "Array",
+                "body": {
+                    "type": "Json",
+                    "sendValueAsBody": true,
                     "required": true,
                     "validation": "",
                     "invalidmsg": "",
-                    "description": "Logins for the users that should be removed from the issue."
+                    "description": "JSON object that contains assignees array of logins for the users that should be removed from the issue."
                 }
             },
             "description": "Remove assignees from an issue."
diff --git a/test/issuesTest.js b/test/issuesTest.js
index bbecbc5bfc..72f47164e3 100644
--- a/test/issuesTest.js
+++ b/test/issuesTest.js
@@ -587,7 +587,7 @@ describe("[issues]", function() {
                 user: "String",
                 repo: "String",
                 number: "Number",
-                assignees: "Array"
+                body: "Json"
             },
             function(err, res) {
                 Assert.equal(err, null);