diff --git a/managed/CounterStrikeSharp.API/Core/Model/NetworkedVector.cs b/managed/CounterStrikeSharp.API/Core/Model/NetworkedVector.cs
index e4ddf0aa..43d391ae 100644
--- a/managed/CounterStrikeSharp.API/Core/Model/NetworkedVector.cs
+++ b/managed/CounterStrikeSharp.API/Core/Model/NetworkedVector.cs
@@ -28,7 +28,7 @@ public T this[int index]
     {
         get
         {
-            if (IsValidType)
+            if (!IsValidType)
             {
                 throw new NotSupportedException("Networked vectors currently only support CHandle<T>, Vector, or QAngle");
             }