diff --git a/core/modules/search/migrations/d7_search_page.yml b/core/modules/search/migrations/d7_search_page.yml
index 033bd409d62b9b0c4327d6829928971397099e20..cb30ed1347048fdf67f5ef912809afb6fd6bc9e9 100644
--- a/core/modules/search/migrations/d7_search_page.yml
+++ b/core/modules/search/migrations/d7_search_page.yml
@@ -41,6 +41,9 @@ process:
         - module
         - 'constants/suffix'
   path: module
+  configuration:
+    plugin: default_value
+    default_value: [ ]
   'configuration/rankings':
     plugin: search_configuration_rankings
 destination:
diff --git a/core/modules/search/migrations/search_page.yml b/core/modules/search/migrations/search_page.yml
index 2847a191ff4a0a0e714948a157da6911113f1e26..9ab1858c40a6ce04085a74f8721d0432bfce2cc6 100644
--- a/core/modules/search/migrations/search_page.yml
+++ b/core/modules/search/migrations/search_page.yml
@@ -21,6 +21,9 @@ process:
   id: 'constants/id'
   path: 'constants/path'
   plugin: 'constants/plugin'
+  configuration:
+    plugin: default_value
+    default_value: [ ]
   'configuration/rankings':
     plugin: search_configuration_rankings
 destination:
diff --git a/core/modules/search/tests/src/Kernel/Migrate/d6/MigrateSearchPageTest.php b/core/modules/search/tests/src/Kernel/Migrate/d6/MigrateSearchPageTest.php
index 1321943b5e18aca3b24e4efe8e946bcaafe32017..e98da3bac609ce1536cab9055bffdc29c9e7f3ab 100644
--- a/core/modules/search/tests/src/Kernel/Migrate/d6/MigrateSearchPageTest.php
+++ b/core/modules/search/tests/src/Kernel/Migrate/d6/MigrateSearchPageTest.php
@@ -60,6 +60,20 @@ public function testSearchPage() {
 
     $configuration = SearchPage::load($id)->getPlugin()->getConfiguration();
     $this->assertSame(4, $configuration['rankings']['comments']);
+
+    // Test that a configurable search without a configuration imports. Do this
+    // by removing the node rankings from the source database.
+    Database::getConnection('default', 'migrate')
+      ->delete('variable')
+      ->condition('name', 'node_rank_%', 'LIKE')
+      ->execute();
+
+    $migration = $this->getMigration('search_page');
+    $migration->getIdMap()->prepareUpdate();
+    $this->executeMigration($migration);
+
+    $configuration = SearchPage::load($id)->getPlugin()->getConfiguration();
+    $this->assertSame([], $configuration['rankings']);
   }
 
 }
diff --git a/core/modules/search/tests/src/Kernel/Migrate/d7/MigrateSearchPageTest.php b/core/modules/search/tests/src/Kernel/Migrate/d7/MigrateSearchPageTest.php
index d3e8ee38ea987cb5107807bc934b5c8cc61a3feb..8d353e0a76eb2cc729a81a6141e44a93884864db 100644
--- a/core/modules/search/tests/src/Kernel/Migrate/d7/MigrateSearchPageTest.php
+++ b/core/modules/search/tests/src/Kernel/Migrate/d7/MigrateSearchPageTest.php
@@ -79,6 +79,19 @@ public function testSearchPage() {
     $this->executeMigration($migration);
     $configuration['rankings']['comments'] = 4;
     $this->assertEntity('node_search', 'node', TRUE, $configuration);
+
+    // Test that a configurable search without a configuration imports. Do this
+    // by removing the node rankings from the source database.
+    Database::getConnection('default', 'migrate')
+      ->delete('variable')
+      ->condition('name', 'node_rank_%', 'LIKE')
+      ->execute();
+
+    $migration = $this->getMigration('d7_search_page');
+    $migration->getIdMap()->prepareUpdate();
+    $this->executeMigration($migration);
+    $configuration = ['rankings' => []];
+    $this->assertEntity('node_search', 'node', TRUE, $configuration);
   }
 
   /**