diff --git a/agent/windows-setup-agent/Program.cs b/agent/windows-setup-agent/Program.cs
index dea5a0f28..a36af0ef9 100644
--- a/agent/windows-setup-agent/Program.cs
+++ b/agent/windows-setup-agent/Program.cs
@@ -23,7 +23,7 @@ namespace Icinga
 
 		public static void FatalError(Form owner, string message)
 		{
-			MessageBox.Show(owner, message, owner.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
+			MessageBox.Show(owner, message, "Icinga 2 Setup Wizard", MessageBoxButtons.OK, MessageBoxIcon.Error);
 			Application.Exit();
 		}