diff --git a/lib/core_dom/http.dart b/lib/core_dom/http.dart
index 5123188b7..e8dcc17bc 100644
--- a/lib/core_dom/http.dart
+++ b/lib/core_dom/http.dart
@@ -764,5 +764,6 @@ class Http {
 class HttpConfig {
   final Duration coalesceDuration;
 
-  HttpConfig({this.coalesceDuration});
+  HttpConfig();
+  HttpConfig.withOptions({this.coalesceDuration});
 }
diff --git a/lib/core_dom/module_internal.dart b/lib/core_dom/module_internal.dart
index b7cd7bbbd..151721689 100644
--- a/lib/core_dom/module_internal.dart
+++ b/lib/core_dom/module_internal.dart
@@ -84,7 +84,7 @@ class CoreDomModule extends Module {
     bind(HttpDefaultHeaders);
     bind(HttpDefaults);
     bind(HttpInterceptors);
-    bind(HttpConfig, toValue: new HttpConfig());
+    bind(HttpConfig);
     bind(Animate);
     bind(ViewCache);
     bind(BrowserCookies);
diff --git a/test/core_dom/http_spec.dart b/test/core_dom/http_spec.dart
index 95a3a2805..edcf2222b 100644
--- a/test/core_dom/http_spec.dart
+++ b/test/core_dom/http_spec.dart
@@ -1426,8 +1426,8 @@ void main() {
 
     describe('coalesce', () {
       beforeEachModule((Module module) {
-        var coalesceDuration = new Duration(milliseconds: 100);
-        module.bind(HttpConfig, toValue: new HttpConfig(coalesceDuration: coalesceDuration));
+        var duration = new Duration(milliseconds: 100);
+        module.bind(HttpConfig, toValue: new HttpConfig.withOptions(coalesceDuration: duration));
       });
 
       it('should coalesce requests', async((Http http) {