1 files changed, 1 insertions, 1 deletions

diff --git a/crypto/test/src/tls/test/PskTls13ClientTest.cs b/crypto/test/src/tls/test/PskTls13ClientTest.cs

index 0850fca7d..07778f5d0 100644
--- a/crypto/test/src/tls/test/PskTls13ClientTest.cs
+++ b/crypto/test/src/tls/test/PskTls13ClientTest.cs
@@ -50,7 +50,7 @@ namespace Org.BouncyCastle.Tls.Tests
             {
                 Console.WriteLine("<<< " + line);
 
-                string upperLine = TlsTestUtilities.ToUpperInvariant(line);
+                string upperLine = line.ToUpperInvariant();
 
                 // TEST CODE ONLY. This is not a robust way of parsing the result!
                 foreach (string end in ends)