diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 6efca193e7e4..57f72010382a 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -4,7 +4,7 @@ Changelog
 5.2 (xx.xx.xxxx) - IN DEVELOPMENT
 ~~~~~~~~~~~~~~~~
 
- * ...
+ * Maintenance: Fix snippet search test to work on non-fallback database backends (Matt Westcott)
 
 
 5.1 (xx.xx.xxxx) - IN DEVELOPMENT
diff --git a/docs/releases/5.2.md b/docs/releases/5.2.md
index 78e1411a2da5..002148d753b3 100644
--- a/docs/releases/5.2.md
+++ b/docs/releases/5.2.md
@@ -26,7 +26,7 @@ depth: 1
 
 ### Maintenance
 
- * ...
+ * Fix snippet search test to work on non-fallback database backends (Matt Westcott)
 
 
 ## Upgrade considerations
diff --git a/wagtail/test/testapp/models.py b/wagtail/test/testapp/models.py
index f2df3daa7883..63c4840b0999 100644
--- a/wagtail/test/testapp/models.py
+++ b/wagtail/test/testapp/models.py
@@ -1121,6 +1121,7 @@ class CountryCode(models.TextChoices):
 
     search_fields = [
         index.SearchField("text"),
+        index.AutocompleteField("text"),
         index.FilterField("text"),
         index.FilterField("country_code"),
     ]