diff --git a/cacholote/clean.py b/cacholote/clean.py
index c24cc9a..2740e6d 100644
--- a/cacholote/clean.py
+++ b/cacholote/clean.py
@@ -361,7 +361,7 @@ def expire_cache_entries(
     tags: list[str] | None = None,
     before: datetime.datetime | None = None,
     after: datetime.date | None = None,
-) -> None:
+) -> int:
     now = utils.utcnow()
 
     filters: list[BinaryExpression[bool] | ColumnElement[bool]] = []
@@ -372,9 +372,12 @@ def expire_cache_entries(
     if after is not None:
         filters.append(database.CacheEntry.timestamp > after)
 
+    count = 0
     with config.get().instantiated_sessionmaker() as session:
         for cache_entry in session.scalars(
             sa.select(database.CacheEntry).filter(*filters)
         ):
+            count += 1
             cache_entry.expiration = now
         database._commit_or_rollback(session)
+    return count
diff --git a/tests/test_60_clean.py b/tests/test_60_clean.py
index d624f86..98020a1 100644
--- a/tests/test_60_clean.py
+++ b/tests/test_60_clean.py
@@ -329,9 +329,11 @@ def test_expire_cache_entries(
         now = cached_now()
 
     # Do not expire
-    clean.expire_cache_entries(tags=["bar"], before=YESTERDAY, after=TOMORROW)
+    expired = clean.expire_cache_entries(tags=["bar"], before=YESTERDAY, after=TOMORROW)
+    assert expired == 0
     assert now == cached_now()
 
     # Expire
-    clean.expire_cache_entries(tags=tags, before=before, after=after)
+    expired = clean.expire_cache_entries(tags=tags, before=before, after=after)
+    assert expired == 1
     assert now != cached_now()