diff --git a/Password Manager/MainForm.cs b/Password Manager/MainForm.cs
index 2b76a3a..79b9f7c 100644
--- a/Password Manager/MainForm.cs	
+++ b/Password Manager/MainForm.cs	
@@ -31,7 +31,7 @@ namespace Password_Manager
 			}
 			else
 			{
-				throw new InvalidOperationExpression("You cannot use the OpenPasswordGenerator method if you instantiated this form without a RecipientRequest event handler.");
+				throw new InvalidOperationException("You cannot use the OpenPasswordGenerator method if you instantiated this form without a RecipientRequest event handler.");
 			}
         }