diff --git a/HTTPRequest/HTTPRequest.DotNet.cs b/HTTPRequest/HTTPRequest.DotNet.cs
index 4f69be7..3a33119 100644
--- a/HTTPRequest/HTTPRequest.DotNet.cs
+++ b/HTTPRequest/HTTPRequest.DotNet.cs
@@ -46,7 +46,7 @@ public HttpRequest(string url, string contentType, byte[] postData, Dictionary<s
 			// Start timeout timer
 			timeoutTimer = new Timer((object state) => {
 				this.Abort();
-				cb(new Exception("Request timed out"), null);
+				cb(new HttpRequestException("Request timed out", 0), null);
 			}, null, timeout, Timeout.Infinite);
 
 			// Initialize request instance
diff --git a/HTTPRequest/HTTPRequest.Unity.cs b/HTTPRequest/HTTPRequest.Unity.cs
index 3d461e8..823b982 100644
--- a/HTTPRequest/HTTPRequest.Unity.cs
+++ b/HTTPRequest/HTTPRequest.Unity.cs
@@ -79,7 +79,7 @@ private IEnumerator WaitLoop()
 				{
 					// Timed out abort the request with timeout error
 					Abort();
-					cb(new Exception("Request timed out"), null);
+					cb(new HttpRequestException("Request timed out", 0), null);
 					yield break;
 				}