diff --git a/wagtail/contrib/postgres_search/migrations/0002_add_autocomplete.py b/wagtail/contrib/postgres_search/migrations/0002_add_autocomplete.py
index 353846bb0..29ae599ab 100644
--- a/wagtail/contrib/postgres_search/migrations/0002_add_autocomplete.py
+++ b/wagtail/contrib/postgres_search/migrations/0002_add_autocomplete.py
@@ -38,12 +38,12 @@ class Migration(migrations.Migration):
             model_name='indexentry',
             index=django.contrib.postgres.indexes.GinIndex(
                 fields=['autocomplete'],
-                name='postgres_search_autocomplete'),
+                name='postgres_se_autocom_ee48c8_gin'),
         ),
         migrations.AddIndex(
             model_name='indexentry',
             index=django.contrib.postgres.indexes.GinIndex(
                 fields=['body'],
-                name='postgres_search_body'),
+                name='postgres_se_body_aaaa99_gin'),
         ),
     ]