diff --git a/PorygonSharp/EvalValues/EvalValueCreator.cs b/PorygonSharp/EvalValues/EvalValueCreator.cs
index 732da53..50821f8 100644
--- a/PorygonSharp/EvalValues/EvalValueCreator.cs
+++ b/PorygonSharp/EvalValues/EvalValueCreator.cs
@@ -77,7 +77,7 @@ namespace PorygonSharp.EvalValues
         [DllImport("PorygonLang", EntryPoint = "CreateBoolEvalValue",CallingConvention = CallingConvention.Cdecl)]
         private static extern IntPtr CreateBoolEvalValue(bool b);
         [DllImport("PorygonLang", EntryPoint = "CreateStringEvalValue",CallingConvention = CallingConvention.Cdecl)]
-        private static extern IntPtr CreateStringEvalValue(string s);
+        private static extern IntPtr CreateStringEvalValue([MarshalAs(UnmanagedType.LPWStr)]string s);
         [DllImport("PorygonLang", EntryPoint = "CreateUserDataEvalValue",CallingConvention = CallingConvention.Cdecl)]
         private static extern IntPtr CreateUserDataEvalValue(uint typeHash, IntPtr obj);