diff --git a/core/modules/migrate/src/Plugin/migrate/source/SourcePluginBase.php b/core/modules/migrate/src/Plugin/migrate/source/SourcePluginBase.php
index 6d8b2c1..2d7d329 100644
--- a/core/modules/migrate/src/Plugin/migrate/source/SourcePluginBase.php
+++ b/core/modules/migrate/src/Plugin/migrate/source/SourcePluginBase.php
@@ -173,6 +173,8 @@ public function __construct(array $configuration, $plugin_id, $plugin_definition
     if ($this->highWaterProperty && $this->trackChanges) {
       throw new MigrateException('You should either use a highwater mark or track changes not both. They are both designed to solve the same problem');
     }
+
+    $this->moduleHandler = $module_handler;
   }
 
   /**