diff -u b/core/modules/migrate_drupal/migrate_drupal.module b/core/modules/migrate_drupal/migrate_drupal.module
--- b/core/modules/migrate_drupal/migrate_drupal.module
+++ b/core/modules/migrate_drupal/migrate_drupal.module
@@ -96,15 +96,17 @@
   // instances of migration_lookup in core migrations to use dN_node_master.
   if (_isMultilingualSource($definitions)) {
     foreach ($definitions as &$definition) {
-      $properties = ['process', 'destination', 'migration_dependencies'];
-      foreach ($properties as $property) {
-        if (isset($definition[$property])) {
-          array_walk_recursive($definition[$property],  function (&$value) {
-            if (is_string($value)) {
-              $value = preg_replace('/d([67])_(node|node_translation|node_revision)($|:.*)/', 'd$1_node_master$3', $value);
-            }
-            return $value;
-          });
+      if (!preg_match('/d([67])_(node|node_translation|node_revision)($|:.*)/', $definition['id'])) {
+        $properties = ['process', 'destination', 'migration_dependencies'];
+        foreach ($properties as $property) {
+          if (isset($definition[$property])) {
+            array_walk_recursive($definition[$property], function (&$value) {
+              if (is_string($value)) {
+                $value = preg_replace('/d([67])_(node|node_translation|node_revision)($|:.*)/', 'd$1_node_master$3', $value);
+              }
+              return $value;
+            });
+          }
         }
       }
     }
@@ -163,23 +165,25 @@
  */
- function _isMultilingualSource($definitions) {
-   /** @var \Drupal\migrate\Plugin\migrate\source\SqlBase $source_plugin */
-   $source_plugin = \Drupal::service('plugin.manager.migration')
-     ->createStubMigration($definitions['system_site'])
-     ->getSourcePlugin();
-   $connection = NULL;
-   try {
-     $connection = $source_plugin->getDatabase();
-   }
-   catch (\Exception $e) {
-     // @todo: do something useful.
-   }
-   $status = FALSE;
-   if ($connection) {
-     // Connect to source database.
-     $status = $connection->query("SELECT status FROM {system} WHERE name = :name  and type = :type", [
-       ':name' => 'i18n',
-       ':type' => 'module',
-     ])->fetchField();
-   }
-   return ($status === '1') ? TRUE : FALSE;
+function _isMultilingualSource($definitions) {
+  /** @var \Drupal\migrate\Plugin\migrate\source\SqlBase $source_plugin */
+  $source_plugin = \Drupal::service('plugin.manager.migration')
+    ->createStubMigration($definitions['system_site'])
+    ->getSourcePlugin();
+  $connection = NULL;
+  try {
+    $connection = $source_plugin->getDatabase();
+  }
+  catch (\Exception $e) {
+    // @todo: do something useful.
+  }
+  $status = FALSE;
+  if ($connection) {
+    if ($connection->schema()->tableExists('system')) {
+      // Connect to source database.
+      $status = $connection->query("SELECT status FROM {system} WHERE name = :name  and type = :type", [
+        ':name' => 'i18n',
+        ':type' => 'module',
+      ])->fetchField();
+    }
+  }
+  return ($status === '1') ? TRUE : FALSE;
 }