diff --git a/mRemoteNGTests/Security/AeadCryptographyProviderTests.cs b/mRemoteNGTests/Security/AeadCryptographyProviderTests.cs
index 8d3511626..68f0ee856 100644
--- a/mRemoteNGTests/Security/AeadCryptographyProviderTests.cs
+++ b/mRemoteNGTests/Security/AeadCryptographyProviderTests.cs
@@ -4,6 +4,8 @@ using System.Security;
 using mRemoteNG.Security;
 using mRemoteNG.Security.SymmetricEncryption;
 using NUnit.Framework;
+using NUnit.Framework.Constraints;
+using Org.BouncyCastle.Security;
 
 
 namespace mRemoteNGTests.Security
@@ -72,5 +74,13 @@ namespace mRemoteNGTests.Security
             }
             return combinationList;
         }
+
+        [Test]
+        public void DecryptionFailureThrowsException()
+        {
+            var cipherText = _cryptographyProvider.Encrypt(_plainText, _encryptionKey);
+            ActualValueDelegate<string> decryptMethod = () => _cryptographyProvider.Decrypt(cipherText, "wrongKey".ConvertToSecureString());
+            Assert.That(decryptMethod, Throws.TypeOf<EncryptionException>());
+        }
     }
 }
\ No newline at end of file