diff --git a/mRemoteNGTests/Credential/CredentialDeletionMsgBoxConfirmerTests.cs b/mRemoteNGTests/Credential/CredentialDeletionMsgBoxConfirmerTests.cs
index e45ee0a3..317fce70 100644
--- a/mRemoteNGTests/Credential/CredentialDeletionMsgBoxConfirmerTests.cs
+++ b/mRemoteNGTests/Credential/CredentialDeletionMsgBoxConfirmerTests.cs
@@ -3,7 +3,6 @@ using mRemoteNG.Credential;
 using NSubstitute;
 using NUnit.Framework;
 
-
 namespace mRemoteNGTests.Credential
 {
     public class CredentialDeletionMsgBoxConfirmerTests
@@ -20,14 +19,14 @@ namespace mRemoteNGTests.Credential
         public void ClickingYesReturnsTrue()
         {
             var deletionConfirmer = new CredentialDeletionMsgBoxConfirmer(MockClickYes);
-            Assert.That(deletionConfirmer.Confirm(_credentialRecord), Is.True);
+            Assert.That(deletionConfirmer.Confirm(new[] { _credentialRecord }), Is.True);
         }
 
         [Test]
         public void ClickingNoReturnsFalse()
         {
             var deletionConfirmer = new CredentialDeletionMsgBoxConfirmer(MockClickNo);
-            Assert.That(deletionConfirmer.Confirm(_credentialRecord), Is.False);
+            Assert.That(deletionConfirmer.Confirm(new [] { _credentialRecord }), Is.False);
         }
 
         private DialogResult MockClickYes(string promptMessage, string title, MessageBoxButtons buttons, MessageBoxIcon icon)
@@ -40,4 +39,4 @@ namespace mRemoteNGTests.Credential
             return DialogResult.No;
         }
     }
-}
\ No newline at end of file
+}