diff --git a/src/MappableMedia.php b/src/MappableMedia.php
index 5863a2a..c4881ad 100644
--- a/src/MappableMedia.php
+++ b/src/MappableMedia.php
@@ -144,7 +144,7 @@ class MappableMedia extends AbstractMediaType
         }
 
         $callback($map);
-        $this->addMap($map);
+        $this->saveMap($map);
 
         return $this;
     }