diff --git a/Source/ImageDownloader.swift b/Source/ImageDownloader.swift
index 26931ae8..9604063a 100644
--- a/Source/ImageDownloader.swift
+++ b/Source/ImageDownloader.swift
@@ -469,7 +469,7 @@ public class ImageDownloader {
                     let error: NSError = {
                         let failureReason = "ImageDownloader cancelled URL request: \(URLRequest.URLString)"
                         let userInfo = [NSLocalizedFailureReasonErrorKey: failureReason]
-                        return NSError(domain: Error.Domain, code: NSURLErrorCancelled, userInfo: userInfo)
+                        return NSError(domain: NSURLErrorDomain, code: NSURLErrorCancelled, userInfo: userInfo)
                     }()
 
                     return Response(request: URLRequest, response: nil, data: nil, result: .Failure(error))
diff --git a/Tests/ImageDownloaderTests.swift b/Tests/ImageDownloaderTests.swift
index f39cecd5..145c8ee9 100644
--- a/Tests/ImageDownloaderTests.swift
+++ b/Tests/ImageDownloaderTests.swift
@@ -514,7 +514,7 @@ class ImageDownloaderTestCase: BaseTestCase {
         XCTAssertTrue(response?.result.isFailure ?? false, "result should be a failure case")
 
         if let error = response?.result.error {
-            XCTAssertEqual(error.domain, Error.Domain, "error domain should be com.alamofire.error")
+            XCTAssertEqual(error.domain, NSURLErrorDomain, "error domain should be com.alamofire.error")
             XCTAssertEqual(error.code, NSURLErrorCancelled, "error code should be cancelled")
         }
     }
@@ -557,7 +557,7 @@ class ImageDownloaderTestCase: BaseTestCase {
         XCTAssertTrue(response1?.result.isFailure ?? false, "response 1 result should be a failure case")
 
         if let error = response1?.result.error {
-            XCTAssertEqual(error.domain, Error.Domain, "error domain should be com.alamofire.error")
+            XCTAssertEqual(error.domain, NSURLErrorDomain, "error domain should be com.alamofire.error")
             XCTAssertEqual(error.code, NSURLErrorCancelled, "error code should be cancelled")
         }