diff --git a/src/factory/HttpTaskImpl.cc b/src/factory/HttpTaskImpl.cc
index bb0aae56..8baba64c 100644
--- a/src/factory/HttpTaskImpl.cc
+++ b/src/factory/HttpTaskImpl.cc
@@ -277,6 +277,19 @@ bool ComplexHttpTask::redirect_url(HttpResponse *client_resp)
 			return false;
 		}
 
+		if (url[0] == '/')
+		{
+			if (url[1] != '/')
+			{
+				if (uri_.port)
+					url = ':' + (uri_.port + url);
+
+				url = "//" + (uri_.host + url);
+			}
+
+			url = uri_.scheme + (':' + url);
+		}
+
 		URIParser::parse(url, uri_);
 		return true;
 	}