diff --git a/src/Compilers/Shared/DesktopShim.cs b/src/Compilers/Shared/DesktopShim.cs
index 1281b5194f68c42c45387a77b10fc6d33e229f59..ebdb3367239bcc0481d61ae255ac2103bf76eb8e 100644
--- a/src/Compilers/Shared/DesktopShim.cs
+++ b/src/Compilers/Shared/DesktopShim.cs
@@ -14,12 +14,11 @@ internal static class DesktopShim
     {
         internal static class FileNotFoundException
         {
-            internal static readonly Type Type = ReflectionUtilities.TryGetType(
-               "System.IO.FileNotFoundException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a");
+            internal static readonly Type Type = typeof(FileNotFoundException);
 
             private static PropertyInfo s_fusionLog = Type?.GetTypeInfo().GetDeclaredProperty("FusionLog");
 
-            internal static string TryGetFusionLog(object obj) => s_fusionLog.GetValue(obj) as string;
+            internal static string TryGetFusionLog(object obj) => s_fusionLog?.GetValue(obj) as string;
         }
     }
 }