diff --git a/Source/CSScriptLibrary/CSScriptLib.Eval.Mono.cs b/Source/CSScriptLibrary/CSScriptLib.Eval.Mono.cs
index 27ac0aa9..324e6509 100644
--- a/Source/CSScriptLibrary/CSScriptLib.Eval.Mono.cs
+++ b/Source/CSScriptLibrary/CSScriptLib.Eval.Mono.cs
@@ -164,7 +164,8 @@ public MonoEvaluator()
         {
             ThrowOnError = true;
             AutoResetEvaluatorOnError = true;
-            Reset(true);
+            if (CSScript.EvaluatorConfig.RefernceDomainAsemblies)
+                ReferenceDomainAssemblies(); 
             DebugBuild = CSScript.EvaluatorConfig.DebugBuild;
         }
 
diff --git a/Source/CSScriptLibrary/CSScriptLib.Eval.Roslyn.cs b/Source/CSScriptLibrary/CSScriptLib.Eval.Roslyn.cs
index e39ccae8..f5aa3a7a 100644
--- a/Source/CSScriptLibrary/CSScriptLib.Eval.Roslyn.cs
+++ b/Source/CSScriptLibrary/CSScriptLib.Eval.Roslyn.cs
@@ -126,7 +126,8 @@ public class RoslynEvaluator : IEvaluator
         /// </summary>
         public RoslynEvaluator()
         {
-            Reset(true);
+            if (CSScript.EvaluatorConfig.RefernceDomainAsemblies)
+                ReferenceDomainAssemblies();
         }
 
         /// <summary>