diff --git a/dev/UndockedRegFreeWinRT/UndockedRegFreeWinRT-AutoInitializer.cs b/dev/UndockedRegFreeWinRT/UndockedRegFreeWinRT-AutoInitializer.cs
index 2e07c542df..772976467c 100644
--- a/dev/UndockedRegFreeWinRT/UndockedRegFreeWinRT-AutoInitializer.cs
+++ b/dev/UndockedRegFreeWinRT/UndockedRegFreeWinRT-AutoInitializer.cs
@@ -14,6 +14,7 @@ namespace Microsoft.Windows.Foundation.UndockedRegFreeWinRTCS
 {
     internal static class NativeMethods
     {
+        [DefaultDllImportSearchPaths(DllImportSearchPath.AssemblyDirectory | DllImportSearchPath.System32)]
         [DllImport("Microsoft.WindowsAppRuntime.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
         internal static extern int WindowsAppRuntime_EnsureIsLoaded();
     }