diff --git a/src/OpenTK/NativeLibrary.cs b/src/OpenTK/NativeLibrary.cs
index 1e6d0372..c19da25c 100644
--- a/src/OpenTK/NativeLibrary.cs
+++ b/src/OpenTK/NativeLibrary.cs
@@ -62,7 +62,7 @@ namespace OpenTK
 
         public static NativeLibrary Load(string libraryName)
         {
-#if NETCORE
+#if NETSTANDARD
             if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
             {
                 return new WindowsNativeLibrary(libraryName);