diff --git a/src/JsonSchema/ConstraintError.php b/src/JsonSchema/ConstraintError.php
index 2af542d8..f1588d12 100644
--- a/src/JsonSchema/ConstraintError.php
+++ b/src/JsonSchema/ConstraintError.php
@@ -4,7 +4,7 @@
 
 use JsonSchema\Exception\InvalidArgumentException;
 
-class ConstraintError extends \MabeEnum\Enum
+class ConstraintError extends Enum
 {
     const ADDITIONAL_ITEMS = 'additionalItems';
     const ADDITIONAL_PROPERTIES = 'additionalProp';
diff --git a/src/JsonSchema/Enum.php b/src/JsonSchema/Enum.php
new file mode 100644
index 00000000..c52f8daa
--- /dev/null
+++ b/src/JsonSchema/Enum.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace JsonSchema;
+
+abstract class Enum extends \MabeEnum\Enum
+{
+}