diff --git a/std/haxe/web/Dispatch.hx b/std/haxe/web/Dispatch.hx
index 3cb92e3..4664b9b 100644
--- a/std/haxe/web/Dispatch.hx
+++ b/std/haxe/web/Dispatch.hx
@@ -142,7 +142,7 @@ class Dispatch {
 		throw new Redirect();
 	}
 
-	static var GET_RULES;
+	static var GET_RULES = null;
 	public function runtimeGetParams( cfgIndex : Int ) : Dynamic {
 		if( GET_RULES == null )
 			GET_RULES = haxe.Unserializer.run(haxe.rtti.Meta.getType(Dispatch).getParams[0]);