diff --git a/src/Exception/BadArgumentException.php b/src/Exception/BadArgumentException.php
new file mode 100644
index 0000000..faa8ca1
--- /dev/null
+++ b/src/Exception/BadArgumentException.php
@@ -0,0 +1,11 @@
+<?php
+namespace Gbili\Exception;
+
+/**
+ * Use this in a getter whose property has not been set yet
+ */
+class BadArgumentException
+extends \Gbili\Exception\Exception
+{
+
+}