diff --git a/modules/swagger-codegen/src/main/resources/swift/Extensions.mustache b/modules/swagger-codegen/src/main/resources/swift/Extensions.mustache
index 62e22dcf7a8..e21bec5d53e 100644
--- a/modules/swagger-codegen/src/main/resources/swift/Extensions.mustache
+++ b/modules/swagger-codegen/src/main/resources/swift/Extensions.mustache
@@ -8,10 +8,6 @@ import Alamofire
 import PromiseKit
 import SwiftyJSON
 
-extension Request {
-}
-
-
 extension Bool: JSONEncodable {
     func encode() -> AnyObject { return self }
 }
@@ -32,6 +28,16 @@ extension String: JSONEncodable {
     func encode() -> AnyObject { return self }
 }
 
+extension Array: JSONEncodable {
+    func encode() -> AnyObject {
+        if Element.self is JSONEncodable {
+            return self.map { ($0 as! JSONEncodable).encode() }
+        } else {
+            return self.map { ($0 as! AnyObject) }
+        }
+    }
+}
+
 extension JSON {
     func decode() -> Bool? {
         return self.bool