diff --git a/source/ecs/manager.d b/source/ecs/manager.d
index 4c30c10..e7bbb8a 100644
--- a/source/ecs/manager.d
+++ b/source/ecs/manager.d
@@ -300,7 +300,7 @@ export class EntityManager
             static assert(0, "System should gave \"EntitiesData\" struct for input components");
         }
 
-        static if (hasMember!(Sys, "EventInput"))
+        static if (hasMember!(Sys, "handleEvent"))
         {
             static void callEventHandler(Type)(ref EventCallData data)
             {