1 files changed, 3 insertions, 3 deletions
diff --git a/crypto/src/util/Platform.cs b/crypto/src/util/Platform.cs
index 040b0786e..547cef3fa 100644
--- a/crypto/src/util/Platform.cs
+++ b/crypto/src/util/Platform.cs
@@ -181,10 +181,10 @@ namespace Org.BouncyCastle.Utilities
 
         internal static string ToUpperInvariant(string s)
         {
-#if NET_1_1
-            return s.ToUpper(CultureInfo.InvariantCulture);
-#else
+#if PORTABLE
             return s.ToUpperInvariant();
+#else
+            return s.ToUpper(CultureInfo.InvariantCulture);
 #endif
         }