diff --git a/Tests/RxCocoaTests/DelegateProxyTest+Cocoa.swift b/Tests/RxCocoaTests/DelegateProxyTest+Cocoa.swift
index 4a71f3b2..1fe55af3 100644
--- a/Tests/RxCocoaTests/DelegateProxyTest+Cocoa.swift
+++ b/Tests/RxCocoaTests/DelegateProxyTest+Cocoa.swift
@@ -54,7 +54,7 @@ class NSTextFieldSubclass
     var test: Observable<Int> {
         return rx_delegate
             .observe(#selector(NSTextFieldDelegateSubclass.testEventHappened(_:)))
-            .map { a in (a[0] as! NSNumber).integerValue }
+            .map { a in (a[0] as! NSNumber).intValue }
     }
 
     func setMineForwardDelegate(_ testDelegate: TestDelegateProtocol) -> Disposable {