diff --git a/src/Container/ClassNotFoundException.php b/src/Container/ClassNotFoundException.php
new file mode 100644
index 0000000..e0e6325
--- /dev/null
+++ b/src/Container/ClassNotFoundException.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace Ardent\Undercurrent\Container;
+
+use Exception;
+
+class ClassNotFoundException extends Exception
+{
+    public function __construct(string $className)
+    {
+        parent::__construct(sprintf(
+            'Class %s not found in container',
+            $className
+        ));
+    }
+}
\ No newline at end of file
diff --git a/src/Container/GenericContainer.php b/src/Container/GenericContainer.php
index 4ae6405..8fdb26e 100644
--- a/src/Container/GenericContainer.php
+++ b/src/Container/GenericContainer.php
@@ -43,7 +43,7 @@ class GenericContainer implements ContainerInterface
             $className = $this->aliases[$className];
         }
         if (!isset($this->definitions[$className])) {
-            throw new Exception("Class $className not found in container");
+            throw new ClassNotFoundException($className);
         }
 
         $definition = $this->definitions[$className]['definition'];