diff --git a/src/DebugUtils/EcsDebug.cs b/src/DebugUtils/EcsDebug.cs
index 0f5608e..e128b0a 100644
--- a/src/DebugUtils/EcsDebug.cs
+++ b/src/DebugUtils/EcsDebug.cs
@@ -247,7 +247,7 @@ namespace DCFApixels.DragonECS
         #region Static Constructor
         static DebugService()
         {
-#if !UNITY_5_3_OR_NEWER
+#if UNITY_5_3_OR_NEWER
             Set(new NullDebugService());
 #else
             Set(new DefaultDebugService());