core/modules/taxonomy/src/Plugin/views/filter/TaxonomyIndexTid.php      | 2 +-
 .../test_views/views.view.test_filter_taxonomy_index_tid.yml            | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/modules/taxonomy/src/Plugin/views/filter/TaxonomyIndexTid.php b/core/modules/taxonomy/src/Plugin/views/filter/TaxonomyIndexTid.php
index 78954f0..9bad607 100644
--- a/core/modules/taxonomy/src/Plugin/views/filter/TaxonomyIndexTid.php
+++ b/core/modules/taxonomy/src/Plugin/views/filter/TaxonomyIndexTid.php
@@ -385,7 +385,7 @@ public function calculateDependencies() {
     $dependencies[$vocabulary->getConfigDependencyKey()][] = $vocabulary->getConfigDependencyName();
 
     $term_storage = \Drupal::entityManager()->getStorage('taxonomy_term');
-    foreach (array_keys($this->options['value']) as $tid) {
+    foreach ($this->options['value'] as $tid) {
       $term = $term_storage->load($tid);
       $dependencies[$term->getConfigDependencyKey()][] = $term->getConfigDependencyName();
     }
diff --git a/core/modules/taxonomy/tests/modules/taxonomy_test_views/test_views/views.view.test_filter_taxonomy_index_tid.yml b/core/modules/taxonomy/tests/modules/taxonomy_test_views/test_views/views.view.test_filter_taxonomy_index_tid.yml
index 7671e0f..4e7e83f 100644
--- a/core/modules/taxonomy/tests/modules/taxonomy_test_views/test_views/views.view.test_filter_taxonomy_index_tid.yml
+++ b/core/modules/taxonomy/tests/modules/taxonomy_test_views/test_views/views.view.test_filter_taxonomy_index_tid.yml
@@ -132,7 +132,7 @@ display:
           admin_label: ''
           operator: or
           value:
-            2: '2'
+            - 2
           group: 1
           exposed: false
           expose: