diff --git a/framework/src/play/mvc/Router.java b/framework/src/play/mvc/Router.java
index 5469c87694..988024556b 100644
--- a/framework/src/play/mvc/Router.java
+++ b/framework/src/play/mvc/Router.java
@@ -491,7 +491,7 @@ public static ActionDefinition reverse(String action, Map<String, Object> args)
                                 }
                             } else if (route.staticArgs.containsKey(key)) {
                                 // Do nothing -> The key is static
-                            } else if (Scope.RouteArgs.current() != null && Scope.RouteArgs.current().data.containsKey(key)) {
+                            } else if (!argsbackup.containsKey(key)) {
                                 // Do nothing -> The key is provided in RouteArgs and not used (see #447)
                             } else if (value != null) {
                                 if (List.class.isAssignableFrom(value.getClass())) {
diff --git a/samples-and-tests/just-test-cases/app/controllers/Application.java b/samples-and-tests/just-test-cases/app/controllers/Application.java
index 329627a81c..dda88f1ea4 100644
--- a/samples-and-tests/just-test-cases/app/controllers/Application.java
+++ b/samples-and-tests/just-test-cases/app/controllers/Application.java
@@ -152,6 +152,10 @@ public static void optional() {
         renderText("OK");
     }
 
+    public static void withQueryParam(String lucky) {
+         renderText("OK");
+    }
+
     public static void reverserouting() {
         render("Application/reverse.html");
     }
diff --git a/samples-and-tests/just-test-cases/app/views/Application/reverse.html b/samples-and-tests/just-test-cases/app/views/Application/reverse.html
index ecfb8680ea..3d5f27d9cc 100644
--- a/samples-and-tests/just-test-cases/app/views/Application/reverse.html
+++ b/samples-and-tests/just-test-cases/app/views/Application/reverse.html
@@ -8,4 +8,6 @@
 <div id="f">@{Application.aGetForm2()}</div>
 <div id="g">@{Application.aGetForm('Yop')}</div>
 <div id="h">@{Application.aGetForm2('Yop')}</div>
-<div id="i">@{Application.optional()}</div>
\ No newline at end of file
+<div id="i">@{Application.optional()}</div>
+<div id="j">@{Application.withQueryParam()}</div>
+<div id="k">@{Application.withQueryParam("duck")}</div>
diff --git a/samples-and-tests/just-test-cases/conf/routes b/samples-and-tests/just-test-cases/conf/routes
index 3e1167d8b5..1f39745eee 100644
--- a/samples-and-tests/just-test-cases/conf/routes
+++ b/samples-and-tests/just-test-cases/conf/routes
@@ -14,6 +14,7 @@ GET         /re/{<[0-9]{5}>re}              Application.ok
 GET         /re/{<[A-Z]{2,4}>re}            Application.ok
 
 GET         /{lucky}/doIt                   Application.showIt
+GET         /withQueryParam                 Application.withQueryParam
 
 GET         www.zenexity.com/hello          Application.helloZen
 GET         /st%C3%A9phane                  Application.helloSteph
diff --git a/samples-and-tests/just-test-cases/test/routing.test.html b/samples-and-tests/just-test-cases/test/routing.test.html
index d0e80a59f2..73d6bd9b8c 100644
--- a/samples-and-tests/just-test-cases/test/routing.test.html
+++ b/samples-and-tests/just-test-cases/test/routing.test.html
@@ -111,6 +111,8 @@
     assertText('g', '/aGetForm?name=Yop')
     assertText('h', '/aGetForm/?name=Yop')
     assertText('i', '/optionalSlash')
+    assertText('j', '/withQueryParam')
+    assertText('k', '/withQueryParam?lucky=duck')
     
     // Reverse
     open('@{Application.reverserouting2()}')