diff -u b/core/modules/taxonomy/config/install/views.view.taxonomy_term.yml b/core/modules/taxonomy/config/install/views.view.taxonomy_term.yml
--- b/core/modules/taxonomy/config/install/views.view.taxonomy_term.yml
+++ b/core/modules/taxonomy/config/install/views.view.taxonomy_term.yml
@@ -128,7 +128,7 @@
           break_phrase: false
           add_table: false
           require_value: false
-          reduce_duplicates: 0
+          reduce_duplicates: false
           plugin_id: taxonomy_index_tid
           provider: taxonomy
       filters: